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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "target.h"
  37 #include "target_request.h"
  38 #include "time_support.h"
  39 #include "register.h"
  40 #include "trace.h"
  41 #include "image.h"
  42 #include "jtag.h"
  43
  44 #include <inttypes.h>
  45
  46
  47 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  48
  49 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  57 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  61 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71
  72 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  75
  76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  78
  79 /* targets */
  80 extern target_type_t arm7tdmi_target;
  81 extern target_type_t arm720t_target;
  82 extern target_type_t arm9tdmi_target;
  83 extern target_type_t arm920t_target;
  84 extern target_type_t arm966e_target;
  85 extern target_type_t arm926ejs_target;
  86 extern target_type_t feroceon_target;
  87 extern target_type_t xscale_target;
  88 extern target_type_t cortexm3_target;
  89 extern target_type_t cortexa8_target;
  90 extern target_type_t arm11_target;
  91 extern target_type_t mips_m4k_target;
  92 extern target_type_t avr_target;
  93
  94 target_type_t *target_types[] =
  95 {
  96         &arm7tdmi_target,
  97         &arm9tdmi_target,
  98         &arm920t_target,
  99         &arm720t_target,
 100         &arm966e_target,
 101         &arm926ejs_target,
 102         &feroceon_target,
 103         &xscale_target,
 104         &cortexm3_target,
 105         &cortexa8_target,
 106         &arm11_target,
 107         &mips_m4k_target,
 108         &avr_target,
 109         NULL,
 110 };
 111
 112 target_t *all_targets = NULL;
 113 target_event_callback_t *target_event_callbacks = NULL;
 114 target_timer_callback_t *target_timer_callbacks = NULL;
 115
 116 const Jim_Nvp nvp_assert[] = {
 117         { .name = "assert", NVP_ASSERT },
 118         { .name = "deassert", NVP_DEASSERT },
 119         { .name = "T", NVP_ASSERT },
 120         { .name = "F", NVP_DEASSERT },
 121         { .name = "t", NVP_ASSERT },
 122         { .name = "f", NVP_DEASSERT },
 123         { .name = NULL, .value = -1 }
 124 };
 125
 126 const Jim_Nvp nvp_error_target[] = {
 127         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 128         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 129         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 130         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 131         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 132         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 133         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 134         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 135         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 136         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 137         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 138         { .value = -1, .name = NULL }
 139 };
 140
 141 const char *target_strerror_safe( int err )
 142 {
 143         const Jim_Nvp *n;
 144
 145         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 146         if( n->name == NULL ){
 147                 return "unknown";
 148         } else {
 149                 return n->name;
 150         }
 151 }
 152
 153 const Jim_Nvp nvp_target_event[] = {
 154         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 155         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 156
 157         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 158         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 159         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 160         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 161         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 162
 163         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 164         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 165
 166         /* historical name */
 167
 168         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 169
 170         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 171         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 172         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 173         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 174         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 175         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 176         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 177         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 178         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 179         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 180
 181         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 182         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 183
 184         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 185         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 186
 187         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 188         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 189
 190         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 191         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 192
 193         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 194         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 195
 196         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 197         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 198         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 199
 200         { .name = NULL, .value = -1 }
 201 };
 202
 203 const Jim_Nvp nvp_target_state[] = {
 204         { .name = "unknown", .value = TARGET_UNKNOWN },
 205         { .name = "running", .value = TARGET_RUNNING },
 206         { .name = "halted",  .value = TARGET_HALTED },
 207         { .name = "reset",   .value = TARGET_RESET },
 208         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 209         { .name = NULL, .value = -1 },
 210 };
 211
 212 const Jim_Nvp nvp_target_debug_reason [] = {
 213         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 214         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 215         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 216         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 217         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 218         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 219         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 220         { .name = NULL, .value = -1 },
 221 };
 222
 223 const Jim_Nvp nvp_target_endian[] = {
 224         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 225         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 226         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 227         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 228         { .name = NULL,     .value = -1 },
 229 };
 230
 231 const Jim_Nvp nvp_reset_modes[] = {
 232         { .name = "unknown", .value = RESET_UNKNOWN },
 233         { .name = "run"    , .value = RESET_RUN },
 234         { .name = "halt"   , .value = RESET_HALT },
 235         { .name = "init"   , .value = RESET_INIT },
 236         { .name = NULL     , .value = -1 },
 237 };
 238
 239 static int max_target_number(void)
 240 {
 241         target_t *t;
 242         int x;
 243
 244         x = -1;
 245         t = all_targets;
 246         while( t ){
 247                 if( x < t->target_number ){
 248                         x = (t->target_number)+1;
 249                 }
 250                 t = t->next;
 251         }
 252         return x;
 253 }
 254
 255 /* determine the number of the new target */
 256 static int new_target_number(void)
 257 {
 258         target_t *t;
 259         int x;
 260
 261         /* number is 0 based */
 262         x = -1;
 263         t = all_targets;
 264         while(t){
 265                 if( x < t->target_number ){
 266                         x = t->target_number;
 267                 }
 268                 t = t->next;
 269         }
 270         return x+1;
 271 }
 272
 273 static int target_continous_poll = 1;
 274
 275 /* read a u32 from a buffer in target memory endianness */
 276 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 277 {
 278         if (target->endianness == TARGET_LITTLE_ENDIAN)
 279                 return le_to_h_u32(buffer);
 280         else
 281                 return be_to_h_u32(buffer);
 282 }
 283
 284 /* read a u16 from a buffer in target memory endianness */
 285 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 286 {
 287         if (target->endianness == TARGET_LITTLE_ENDIAN)
 288                 return le_to_h_u16(buffer);
 289         else
 290                 return be_to_h_u16(buffer);
 291 }
 292
 293 /* read a u8 from a buffer in target memory endianness */
 294 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 295 {
 296         return *buffer & 0x0ff;
 297 }
 298
 299 /* write a u32 to a buffer in target memory endianness */
 300 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 301 {
 302         if (target->endianness == TARGET_LITTLE_ENDIAN)
 303                 h_u32_to_le(buffer, value);
 304         else
 305                 h_u32_to_be(buffer, value);
 306 }
 307
 308 /* write a u16 to a buffer in target memory endianness */
 309 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 310 {
 311         if (target->endianness == TARGET_LITTLE_ENDIAN)
 312                 h_u16_to_le(buffer, value);
 313         else
 314                 h_u16_to_be(buffer, value);
 315 }
 316
 317 /* write a u8 to a buffer in target memory endianness */
 318 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 319 {
 320         *buffer = value;
 321 }
 322
 323 /* return a pointer to a configured target; id is name or number */
 324 target_t *get_target(const char *id)
 325 {
 326         target_t *target;
 327         char *endptr;
 328         int num;
 329
 330         /* try as tcltarget name */
 331         for (target = all_targets; target; target = target->next) {
 332                 if (target->cmd_name == NULL)
 333                         continue;
 334                 if (strcmp(id, target->cmd_name) == 0)
 335                         return target;
 336         }
 337
 338         /* no match, try as number */
 339         num = strtoul(id, &endptr, 0);
 340         if (*endptr != 0)
 341                 return NULL;
 342
 343         for (target = all_targets; target; target = target->next) {
 344                 if (target->target_number == num)
 345                         return target;
 346         }
 347
 348         return NULL;
 349 }
 350
 351 /* returns a pointer to the n-th configured target */
 352 static target_t *get_target_by_num(int num)
 353 {
 354         target_t *target = all_targets;
 355
 356         while (target){
 357                 if( target->target_number == num ){
 358                         return target;
 359                 }
 360                 target = target->next;
 361         }
 362
 363         return NULL;
 364 }
 365
 366 int get_num_by_target(target_t *query_target)
 367 {
 368         return query_target->target_number;
 369 }
 370
 371 target_t* get_current_target(command_context_t *cmd_ctx)
 372 {
 373         target_t *target = get_target_by_num(cmd_ctx->current_target);
 374
 375         if (target == NULL)
 376         {
 377                 LOG_ERROR("BUG: current_target out of bounds");
 378                 exit(-1);
 379         }
 380
 381         return target;
 382 }
 383
 384 int target_poll(struct target_s *target)
 385 {
 386         /* We can't poll until after examine */
 387         if (!target->type->examined)
 388         {
 389                 /* Fail silently lest we pollute the log */
 390                 return ERROR_FAIL;
 391         }
 392         return target->type->poll(target);
 393 }
 394
 395 int target_halt(struct target_s *target)
 396 {
 397         /* We can't poll until after examine */
 398         if (!target->type->examined)
 399         {
 400                 LOG_ERROR("Target not examined yet");
 401                 return ERROR_FAIL;
 402         }
 403         return target->type->halt(target);
 404 }
 405
 406 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 407 {
 408         int retval;
 409
 410         /* We can't poll until after examine */
 411         if (!target->type->examined)
 412         {
 413                 LOG_ERROR("Target not examined yet");
 414                 return ERROR_FAIL;
 415         }
 416
 417         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 418          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 419          * the application.
 420          */
 421         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 422                 return retval;
 423
 424         return retval;
 425 }
 426
 427 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 428 {
 429         char buf[100];
 430         int retval;
 431         Jim_Nvp *n;
 432         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 433         if( n->name == NULL ){
 434                 LOG_ERROR("invalid reset mode");
 435                 return ERROR_FAIL;
 436         }
 437
 438         sprintf( buf, "ocd_process_reset %s", n->name );
 439         retval = Jim_Eval( interp, buf );
 440
 441         if(retval != JIM_OK) {
 442                 Jim_PrintErrorMessage(interp);
 443                 return ERROR_FAIL;
 444         }
 445
 446         /* We want any events to be processed before the prompt */
 447         retval = target_call_timer_callbacks_now();
 448
 449         return retval;
 450 }
 451
 452 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 453 {
 454         *physical = virtual;
 455         return ERROR_OK;
 456 }
 457
 458 static int default_mmu(struct target_s *target, int *enabled)
 459 {
 460         *enabled = 0;
 461         return ERROR_OK;
 462 }
 463
 464 static int default_examine(struct target_s *target)
 465 {
 466         target->type->examined = 1;
 467         return ERROR_OK;
 468 }
 469
 470 /* Targets that correctly implement init+examine, i.e.
 471  * no communication with target during init:
 472  *
 473  * XScale
 474  */
 475 int target_examine(void)
 476 {
 477         int retval = ERROR_OK;
 478         target_t *target = all_targets;
 479         while (target)
 480         {
 481                 if ((retval = target->type->examine(target))!=ERROR_OK)
 482                         return retval;
 483                 target = target->next;
 484         }
 485         return retval;
 486 }
 487
 488 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 489 {
 490         if (!target->type->examined)
 491         {
 492                 LOG_ERROR("Target not examined yet");
 493                 return ERROR_FAIL;
 494         }
 495         return target->type->write_memory_imp(target, address, size, count, buffer);
 496 }
 497
 498 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 499 {
 500         if (!target->type->examined)
 501         {
 502                 LOG_ERROR("Target not examined yet");
 503                 return ERROR_FAIL;
 504         }
 505         return target->type->read_memory_imp(target, address, size, count, buffer);
 506 }
 507
 508 static int target_soft_reset_halt_imp(struct target_s *target)
 509 {
 510         if (!target->type->examined)
 511         {
 512                 LOG_ERROR("Target not examined yet");
 513                 return ERROR_FAIL;
 514         }
 515         return target->type->soft_reset_halt_imp(target);
 516 }
 517
 518 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
 519 {
 520         if (!target->type->examined)
 521         {
 522                 LOG_ERROR("Target not examined yet");
 523                 return ERROR_FAIL;
 524         }
 525         return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
 526 }
 527
 528 int target_init(struct command_context_s *cmd_ctx)
 529 {
 530         target_t *target = all_targets;
 531         int retval;
 532
 533         while (target)
 534         {
 535                 target->type->examined = 0;
 536                 if (target->type->examine == NULL)
 537                 {
 538                         target->type->examine = default_examine;
 539                 }
 540
 541                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 542                 {
 543                         LOG_ERROR("target '%s' init failed", target->type->name);
 544                         return retval;
 545                 }
 546
 547                 /* Set up default functions if none are provided by target */
 548                 if (target->type->virt2phys == NULL)
 549                 {
 550                         target->type->virt2phys = default_virt2phys;
 551                 }
 552                 target->type->virt2phys = default_virt2phys;
 553                 /* a non-invasive way(in terms of patches) to add some code that
 554                  * runs before the type->write/read_memory implementation
 555                  */
 556                 target->type->write_memory_imp = target->type->write_memory;
 557                 target->type->write_memory = target_write_memory_imp;
 558                 target->type->read_memory_imp = target->type->read_memory;
 559                 target->type->read_memory = target_read_memory_imp;
 560                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 561                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 562                 target->type->run_algorithm_imp = target->type->run_algorithm;
 563                 target->type->run_algorithm = target_run_algorithm_imp;
 564
 565                 if (target->type->mmu == NULL)
 566                 {
 567                         target->type->mmu = default_mmu;
 568                 }
 569                 target = target->next;
 570         }
 571
 572         if (all_targets)
 573         {
 574                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 575                         return retval;
 576                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 577                         return retval;
 578         }
 579
 580         return ERROR_OK;
 581 }
 582
 583 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 584 {
 585         target_event_callback_t **callbacks_p = &target_event_callbacks;
 586
 587         if (callback == NULL)
 588         {
 589                 return ERROR_INVALID_ARGUMENTS;
 590         }
 591
 592         if (*callbacks_p)
 593         {
 594                 while ((*callbacks_p)->next)
 595                         callbacks_p = &((*callbacks_p)->next);
 596                 callbacks_p = &((*callbacks_p)->next);
 597         }
 598
 599         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 600         (*callbacks_p)->callback = callback;
 601         (*callbacks_p)->priv = priv;
 602         (*callbacks_p)->next = NULL;
 603
 604         return ERROR_OK;
 605 }
 606
 607 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 608 {
 609         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 610         struct timeval now;
 611
 612         if (callback == NULL)
 613         {
 614                 return ERROR_INVALID_ARGUMENTS;
 615         }
 616
 617         if (*callbacks_p)
 618         {
 619                 while ((*callbacks_p)->next)
 620                         callbacks_p = &((*callbacks_p)->next);
 621                 callbacks_p = &((*callbacks_p)->next);
 622         }
 623
 624         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 625         (*callbacks_p)->callback = callback;
 626         (*callbacks_p)->periodic = periodic;
 627         (*callbacks_p)->time_ms = time_ms;
 628
 629         gettimeofday(&now, NULL);
 630         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 631         time_ms -= (time_ms % 1000);
 632         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 633         if ((*callbacks_p)->when.tv_usec > 1000000)
 634         {
 635                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 636                 (*callbacks_p)->when.tv_sec += 1;
 637         }
 638
 639         (*callbacks_p)->priv = priv;
 640         (*callbacks_p)->next = NULL;
 641
 642         return ERROR_OK;
 643 }
 644
 645 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 646 {
 647         target_event_callback_t **p = &target_event_callbacks;
 648         target_event_callback_t *c = target_event_callbacks;
 649
 650         if (callback == NULL)
 651         {
 652                 return ERROR_INVALID_ARGUMENTS;
 653         }
 654
 655         while (c)
 656         {
 657                 target_event_callback_t *next = c->next;
 658                 if ((c->callback == callback) && (c->priv == priv))
 659                 {
 660                         *p = next;
 661                         free(c);
 662                         return ERROR_OK;
 663                 }
 664                 else
 665                         p = &(c->next);
 666                 c = next;
 667         }
 668
 669         return ERROR_OK;
 670 }
 671
 672 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 673 {
 674         target_timer_callback_t **p = &target_timer_callbacks;
 675         target_timer_callback_t *c = target_timer_callbacks;
 676
 677         if (callback == NULL)
 678         {
 679                 return ERROR_INVALID_ARGUMENTS;
 680         }
 681
 682         while (c)
 683         {
 684                 target_timer_callback_t *next = c->next;
 685                 if ((c->callback == callback) && (c->priv == priv))
 686                 {
 687                         *p = next;
 688                         free(c);
 689                         return ERROR_OK;
 690                 }
 691                 else
 692                         p = &(c->next);
 693                 c = next;
 694         }
 695
 696         return ERROR_OK;
 697 }
 698
 699 int target_call_event_callbacks(target_t *target, enum target_event event)
 700 {
 701         target_event_callback_t *callback = target_event_callbacks;
 702         target_event_callback_t *next_callback;
 703
 704         if (event == TARGET_EVENT_HALTED)
 705         {
 706                 /* execute early halted first */
 707                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 708         }
 709
 710         LOG_DEBUG("target event %i (%s)",
 711                           event,
 712                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 713
 714         target_handle_event( target, event );
 715
 716         while (callback)
 717         {
 718                 next_callback = callback->next;
 719                 callback->callback(target, event, callback->priv);
 720                 callback = next_callback;
 721         }
 722
 723         return ERROR_OK;
 724 }
 725
 726 static int target_call_timer_callbacks_check_time(int checktime)
 727 {
 728         target_timer_callback_t *callback = target_timer_callbacks;
 729         target_timer_callback_t *next_callback;
 730         struct timeval now;
 731
 732         keep_alive();
 733
 734         gettimeofday(&now, NULL);
 735
 736         while (callback)
 737         {
 738                 next_callback = callback->next;
 739
 740                 if ((!checktime&&callback->periodic)||
 741                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 742                                                 || (now.tv_sec > callback->when.tv_sec)))
 743                 {
 744                         if(callback->callback != NULL)
 745                         {
 746                                 callback->callback(callback->priv);
 747                                 if (callback->periodic)
 748                                 {
 749                                         int time_ms = callback->time_ms;
 750                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 751                                         time_ms -= (time_ms % 1000);
 752                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 753                                         if (callback->when.tv_usec > 1000000)
 754                                         {
 755                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 756                                                 callback->when.tv_sec += 1;
 757                                         }
 758                                 }
 759                                 else
 760                                 {
 761                                         int retval;
 762                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 763                                                 return retval;
 764                                 }
 765                         }
 766                 }
 767
 768                 callback = next_callback;
 769         }
 770
 771         return ERROR_OK;
 772 }
 773
 774 int target_call_timer_callbacks(void)
 775 {
 776         return target_call_timer_callbacks_check_time(1);
 777 }
 778
 779 /* invoke periodic callbacks immediately */
 780 int target_call_timer_callbacks_now(void)
 781 {
 782         return target_call_timer_callbacks_check_time(0);
 783 }
 784
 785 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 786 {
 787         working_area_t *c = target->working_areas;
 788         working_area_t *new_wa = NULL;
 789
 790         /* Reevaluate working area address based on MMU state*/
 791         if (target->working_areas == NULL)
 792         {
 793                 int retval;
 794                 int enabled;
 795                 retval = target->type->mmu(target, &enabled);
 796                 if (retval != ERROR_OK)
 797                 {
 798                         return retval;
 799                 }
 800                 if (enabled)
 801                 {
 802                         target->working_area = target->working_area_virt;
 803                 }
 804                 else
 805                 {
 806                         target->working_area = target->working_area_phys;
 807                 }
 808         }
 809
 810         /* only allocate multiples of 4 byte */
 811         if (size % 4)
 812         {
 813                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 814                 size = CEIL(size, 4);
 815         }
 816
 817         /* see if there's already a matching working area */
 818         while (c)
 819         {
 820                 if ((c->free) && (c->size == size))
 821                 {
 822                         new_wa = c;
 823                         break;
 824                 }
 825                 c = c->next;
 826         }
 827
 828         /* if not, allocate a new one */
 829         if (!new_wa)
 830         {
 831                 working_area_t **p = &target->working_areas;
 832                 u32 first_free = target->working_area;
 833                 u32 free_size = target->working_area_size;
 834
 835                 LOG_DEBUG("allocating new working area");
 836
 837                 c = target->working_areas;
 838                 while (c)
 839                 {
 840                         first_free += c->size;
 841                         free_size -= c->size;
 842                         p = &c->next;
 843                         c = c->next;
 844                 }
 845
 846                 if (free_size < size)
 847                 {
 848                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 849                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 850                 }
 851
 852                 new_wa = malloc(sizeof(working_area_t));
 853                 new_wa->next = NULL;
 854                 new_wa->size = size;
 855                 new_wa->address = first_free;
 856
 857                 if (target->backup_working_area)
 858                 {
 859                         int retval;
 860                         new_wa->backup = malloc(new_wa->size);
 861                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 862                         {
 863                                 free(new_wa->backup);
 864                                 free(new_wa);
 865                                 return retval;
 866                         }
 867                 }
 868                 else
 869                 {
 870                         new_wa->backup = NULL;
 871                 }
 872
 873                 /* put new entry in list */
 874                 *p = new_wa;
 875         }
 876
 877         /* mark as used, and return the new (reused) area */
 878         new_wa->free = 0;
 879         *area = new_wa;
 880
 881         /* user pointer */
 882         new_wa->user = area;
 883
 884         return ERROR_OK;
 885 }
 886
 887 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 888 {
 889         if (area->free)
 890                 return ERROR_OK;
 891
 892         if (restore&&target->backup_working_area)
 893         {
 894                 int retval;
 895                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 896                         return retval;
 897         }
 898
 899         area->free = 1;
 900
 901         /* mark user pointer invalid */
 902         *area->user = NULL;
 903         area->user = NULL;
 904
 905         return ERROR_OK;
 906 }
 907
 908 int target_free_working_area(struct target_s *target, working_area_t *area)
 909 {
 910         return target_free_working_area_restore(target, area, 1);
 911 }
 912
 913 /* free resources and restore memory, if restoring memory fails,
 914  * free up resources anyway
 915  */
 916 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 917 {
 918         working_area_t *c = target->working_areas;
 919
 920         while (c)
 921         {
 922                 working_area_t *next = c->next;
 923                 target_free_working_area_restore(target, c, restore);
 924
 925                 if (c->backup)
 926                         free(c->backup);
 927
 928                 free(c);
 929
 930                 c = next;
 931         }
 932
 933         target->working_areas = NULL;
 934 }
 935
 936 void target_free_all_working_areas(struct target_s *target)
 937 {
 938         target_free_all_working_areas_restore(target, 1);
 939 }
 940
 941 int target_register_commands(struct command_context_s *cmd_ctx)
 942 {
 943
 944         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
 945
 946
 947
 948
 949         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 950
 951         return ERROR_OK;
 952 }
 953
 954 int target_arch_state(struct target_s *target)
 955 {
 956         int retval;
 957         if (target==NULL)
 958         {
 959                 LOG_USER("No target has been configured");
 960                 return ERROR_OK;
 961         }
 962
 963         LOG_USER("target state: %s",
 964                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 965
 966         if (target->state!=TARGET_HALTED)
 967                 return ERROR_OK;
 968
 969         retval=target->type->arch_state(target);
 970         return retval;
 971 }
 972
 973 /* Single aligned words are guaranteed to use 16 or 32 bit access
 974  * mode respectively, otherwise data is handled as quickly as
 975  * possible
 976  */
 977 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 978 {
 979         int retval;
 980         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 981
 982         if (!target->type->examined)
 983         {
 984                 LOG_ERROR("Target not examined yet");
 985                 return ERROR_FAIL;
 986         }
 987
 988         if ((address + size - 1) < address)
 989         {
 990                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 991                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 992                 return ERROR_FAIL;
 993         }
 994
 995         if (((address % 2) == 0) && (size == 2))
 996         {
 997                 return target->type->write_memory(target, address, 2, 1, buffer);
 998         }
 999
1000         /* handle unaligned head bytes */
1001         if (address % 4)
1002         {
1003                 u32 unaligned = 4 - (address % 4);
1004
1005                 if (unaligned > size)
1006                         unaligned = size;
1007
1008                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1009                         return retval;
1010
1011                 buffer += unaligned;
1012                 address += unaligned;
1013                 size -= unaligned;
1014         }
1015
1016         /* handle aligned words */
1017         if (size >= 4)
1018         {
1019                 int aligned = size - (size % 4);
1020
1021                 /* use bulk writes above a certain limit. This may have to be changed */
1022                 if (aligned > 128)
1023                 {
1024                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1025                                 return retval;
1026                 }
1027                 else
1028                 {
1029                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1030                                 return retval;
1031                 }
1032
1033                 buffer += aligned;
1034                 address += aligned;
1035                 size -= aligned;
1036         }
1037
1038         /* handle tail writes of less than 4 bytes */
1039         if (size > 0)
1040         {
1041                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1042                         return retval;
1043         }
1044
1045         return ERROR_OK;
1046 }
1047
1048 /* Single aligned words are guaranteed to use 16 or 32 bit access
1049  * mode respectively, otherwise data is handled as quickly as
1050  * possible
1051  */
1052 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1053 {
1054         int retval;
1055         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1056
1057         if (!target->type->examined)
1058         {
1059                 LOG_ERROR("Target not examined yet");
1060                 return ERROR_FAIL;
1061         }
1062
1063         if ((address + size - 1) < address)
1064         {
1065                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1066                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1067                 return ERROR_FAIL;
1068         }
1069
1070         if (((address % 2) == 0) && (size == 2))
1071         {
1072                 return target->type->read_memory(target, address, 2, 1, buffer);
1073         }
1074
1075         /* handle unaligned head bytes */
1076         if (address % 4)
1077         {
1078                 u32 unaligned = 4 - (address % 4);
1079
1080                 if (unaligned > size)
1081                         unaligned = size;
1082
1083                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1084                         return retval;
1085
1086                 buffer += unaligned;
1087                 address += unaligned;
1088                 size -= unaligned;
1089         }
1090
1091         /* handle aligned words */
1092         if (size >= 4)
1093         {
1094                 int aligned = size - (size % 4);
1095
1096                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1097                         return retval;
1098
1099                 buffer += aligned;
1100                 address += aligned;
1101                 size -= aligned;
1102         }
1103
1104         /* handle tail writes of less than 4 bytes */
1105         if (size > 0)
1106         {
1107                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1108                         return retval;
1109         }
1110
1111         return ERROR_OK;
1112 }
1113
1114 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1115 {
1116         u8 *buffer;
1117         int retval;
1118         u32 i;
1119         u32 checksum = 0;
1120         if (!target->type->examined)
1121         {
1122                 LOG_ERROR("Target not examined yet");
1123                 return ERROR_FAIL;
1124         }
1125
1126         if ((retval = target->type->checksum_memory(target, address,
1127                 size, &checksum)) != ERROR_OK)
1128         {
1129                 buffer = malloc(size);
1130                 if (buffer == NULL)
1131                 {
1132                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1133                         return ERROR_INVALID_ARGUMENTS;
1134                 }
1135                 retval = target_read_buffer(target, address, size, buffer);
1136                 if (retval != ERROR_OK)
1137                 {
1138                         free(buffer);
1139                         return retval;
1140                 }
1141
1142                 /* convert to target endianess */
1143                 for (i = 0; i < (size/sizeof(u32)); i++)
1144                 {
1145                         u32 target_data;
1146                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1147                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1148                 }
1149
1150                 retval = image_calculate_checksum( buffer, size, &checksum );
1151                 free(buffer);
1152         }
1153
1154         *crc = checksum;
1155
1156         return retval;
1157 }
1158
1159 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1160 {
1161         int retval;
1162         if (!target->type->examined)
1163         {
1164                 LOG_ERROR("Target not examined yet");
1165                 return ERROR_FAIL;
1166         }
1167
1168         if (target->type->blank_check_memory == 0)
1169                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1170
1171         retval = target->type->blank_check_memory(target, address, size, blank);
1172
1173         return retval;
1174 }
1175
1176 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1177 {
1178         u8 value_buf[4];
1179         if (!target->type->examined)
1180         {
1181                 LOG_ERROR("Target not examined yet");
1182                 return ERROR_FAIL;
1183         }
1184
1185         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1186
1187         if (retval == ERROR_OK)
1188         {
1189                 *value = target_buffer_get_u32(target, value_buf);
1190                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1191         }
1192         else
1193         {
1194                 *value = 0x0;
1195                 LOG_DEBUG("address: 0x%8.8x failed", address);
1196         }
1197
1198         return retval;
1199 }
1200
1201 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1202 {
1203         u8 value_buf[2];
1204         if (!target->type->examined)
1205         {
1206                 LOG_ERROR("Target not examined yet");
1207                 return ERROR_FAIL;
1208         }
1209
1210         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1211
1212         if (retval == ERROR_OK)
1213         {
1214                 *value = target_buffer_get_u16(target, value_buf);
1215                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1216         }
1217         else
1218         {
1219                 *value = 0x0;
1220                 LOG_DEBUG("address: 0x%8.8x failed", address);
1221         }
1222
1223         return retval;
1224 }
1225
1226 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1227 {
1228         int retval = target->type->read_memory(target, address, 1, 1, value);
1229         if (!target->type->examined)
1230         {
1231                 LOG_ERROR("Target not examined yet");
1232                 return ERROR_FAIL;
1233         }
1234
1235         if (retval == ERROR_OK)
1236         {
1237                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1238         }
1239         else
1240         {
1241                 *value = 0x0;
1242                 LOG_DEBUG("address: 0x%8.8x failed", address);
1243         }
1244
1245         return retval;
1246 }
1247
1248 int target_write_u32(struct target_s *target, u32 address, u32 value)
1249 {
1250         int retval;
1251         u8 value_buf[4];
1252         if (!target->type->examined)
1253         {
1254                 LOG_ERROR("Target not examined yet");
1255                 return ERROR_FAIL;
1256         }
1257
1258         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1259
1260         target_buffer_set_u32(target, value_buf, value);
1261         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1262         {
1263                 LOG_DEBUG("failed: %i", retval);
1264         }
1265
1266         return retval;
1267 }
1268
1269 int target_write_u16(struct target_s *target, u32 address, u16 value)
1270 {
1271         int retval;
1272         u8 value_buf[2];
1273         if (!target->type->examined)
1274         {
1275                 LOG_ERROR("Target not examined yet");
1276                 return ERROR_FAIL;
1277         }
1278
1279         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1280
1281         target_buffer_set_u16(target, value_buf, value);
1282         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1283         {
1284                 LOG_DEBUG("failed: %i", retval);
1285         }
1286
1287         return retval;
1288 }
1289
1290 int target_write_u8(struct target_s *target, u32 address, u8 value)
1291 {
1292         int retval;
1293         if (!target->type->examined)
1294         {
1295                 LOG_ERROR("Target not examined yet");
1296                 return ERROR_FAIL;
1297         }
1298
1299         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1300
1301         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1302         {
1303                 LOG_DEBUG("failed: %i", retval);
1304         }
1305
1306         return retval;
1307 }
1308
1309 int target_register_user_commands(struct command_context_s *cmd_ctx)
1310 {
1311         int retval = ERROR_OK;
1312
1313
1314         /* script procedures */
1315         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1316         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1317         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values  <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1318
1319         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1320                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1321
1322         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1323                         "loads active fast load image to current target - mainly for profiling purposes");
1324
1325
1326         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1327         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1328         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1329         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1330         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1331         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1332         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1333         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1334         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1335
1336         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1337         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1338         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1339
1340         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1341         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1342         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1343
1344         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1345         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1346         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1347         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1348
1349         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1350         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1351         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1352         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1353
1354         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1355                 return retval;
1356         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1357                 return retval;
1358
1359         return retval;
1360 }
1361
1362 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1363 {
1364         target_t *target = all_targets;
1365
1366         if (argc == 1)
1367         {
1368                 target = get_target(args[0]);
1369                 if (target == NULL) {
1370                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1371                         goto DumpTargets;
1372                 }
1373
1374                 cmd_ctx->current_target = target->target_number;
1375                 return ERROR_OK;
1376         }
1377 DumpTargets:
1378
1379         target = all_targets;
1380         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1381         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1382         while (target)
1383         {
1384                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1385                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1386                                           target->target_number,
1387                                           target->cmd_name,
1388                                           target->type->name,
1389                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1390                                           target->tap->abs_chain_position,
1391                                           target->tap->dotted_name,
1392                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1393                 target = target->next;
1394         }
1395
1396         return ERROR_OK;
1397 }
1398
1399 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1400
1401 static int powerDropout;
1402 static int srstAsserted;
1403
1404 static int runPowerRestore;
1405 static int runPowerDropout;
1406 static int runSrstAsserted;
1407 static int runSrstDeasserted;
1408
1409 static int sense_handler(void)
1410 {
1411         static int prevSrstAsserted = 0;
1412         static int prevPowerdropout = 0;
1413
1414         int retval;
1415         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1416                 return retval;
1417
1418         int powerRestored;
1419         powerRestored = prevPowerdropout && !powerDropout;
1420         if (powerRestored)
1421         {
1422                 runPowerRestore = 1;
1423         }
1424
1425         long long current = timeval_ms();
1426         static long long lastPower = 0;
1427         int waitMore = lastPower + 2000 > current;
1428         if (powerDropout && !waitMore)
1429         {
1430                 runPowerDropout = 1;
1431                 lastPower = current;
1432         }
1433
1434         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1435                 return retval;
1436
1437         int srstDeasserted;
1438         srstDeasserted = prevSrstAsserted && !srstAsserted;
1439
1440         static long long lastSrst = 0;
1441         waitMore = lastSrst + 2000 > current;
1442         if (srstDeasserted && !waitMore)
1443         {
1444                 runSrstDeasserted = 1;
1445                 lastSrst = current;
1446         }
1447
1448         if (!prevSrstAsserted && srstAsserted)
1449         {
1450                 runSrstAsserted = 1;
1451         }
1452
1453         prevSrstAsserted = srstAsserted;
1454         prevPowerdropout = powerDropout;
1455
1456         if (srstDeasserted || powerRestored)
1457         {
1458                 /* Other than logging the event we can't do anything here.
1459                  * Issuing a reset is a particularly bad idea as we might
1460                  * be inside a reset already.
1461                  */
1462         }
1463
1464         return ERROR_OK;
1465 }
1466
1467 /* process target state changes */
1468 int handle_target(void *priv)
1469 {
1470         int retval = ERROR_OK;
1471
1472         /* we do not want to recurse here... */
1473         static int recursive = 0;
1474         if (! recursive)
1475         {
1476                 recursive = 1;
1477                 sense_handler();
1478                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1479                  * We need to avoid an infinite loop/recursion here and we do that by
1480                  * clearing the flags after running these events.
1481                  */
1482                 int did_something = 0;
1483                 if (runSrstAsserted)
1484                 {
1485                         Jim_Eval( interp, "srst_asserted");
1486                         did_something = 1;
1487                 }
1488                 if (runSrstDeasserted)
1489                 {
1490                         Jim_Eval( interp, "srst_deasserted");
1491                         did_something = 1;
1492                 }
1493                 if (runPowerDropout)
1494                 {
1495                         Jim_Eval( interp, "power_dropout");
1496                         did_something = 1;
1497                 }
1498                 if (runPowerRestore)
1499                 {
1500                         Jim_Eval( interp, "power_restore");
1501                         did_something = 1;
1502                 }
1503
1504                 if (did_something)
1505                 {
1506                         /* clear detect flags */
1507                         sense_handler();
1508                 }
1509
1510                 /* clear action flags */
1511
1512                 runSrstAsserted=0;
1513                 runSrstDeasserted=0;
1514                 runPowerRestore=0;
1515                 runPowerDropout=0;
1516
1517                 recursive = 0;
1518         }
1519
1520         target_t *target = all_targets;
1521
1522         while (target)
1523         {
1524
1525                 /* only poll target if we've got power and srst isn't asserted */
1526                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1527                 {
1528                         /* polling may fail silently until the target has been examined */
1529                         if((retval = target_poll(target)) != ERROR_OK)
1530                                 return retval;
1531                 }
1532
1533                 target = target->next;
1534         }
1535
1536         return retval;
1537 }
1538
1539 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1540 {
1541         target_t *target;
1542         reg_t *reg = NULL;
1543         int count = 0;
1544         char *value;
1545
1546         LOG_DEBUG("-");
1547
1548         target = get_current_target(cmd_ctx);
1549
1550         /* list all available registers for the current target */
1551         if (argc == 0)
1552         {
1553                 reg_cache_t *cache = target->reg_cache;
1554
1555                 count = 0;
1556                 while(cache)
1557                 {
1558                         int i;
1559                         for (i = 0; i < cache->num_regs; i++)
1560                         {
1561                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1562                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1563                                 free(value);
1564                         }
1565                         cache = cache->next;
1566                 }
1567
1568                 return ERROR_OK;
1569         }
1570
1571         /* access a single register by its ordinal number */
1572         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1573         {
1574                 int num = strtoul(args[0], NULL, 0);
1575                 reg_cache_t *cache = target->reg_cache;
1576
1577                 count = 0;
1578                 while(cache)
1579                 {
1580                         int i;
1581                         for (i = 0; i < cache->num_regs; i++)
1582                         {
1583                                 if (count++ == num)
1584                                 {
1585                                         reg = &cache->reg_list[i];
1586                                         break;
1587                                 }
1588                         }
1589                         if (reg)
1590                                 break;
1591                         cache = cache->next;
1592                 }
1593
1594                 if (!reg)
1595                 {
1596                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1597                         return ERROR_OK;
1598                 }
1599         } else /* access a single register by its name */
1600         {
1601                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1602
1603                 if (!reg)
1604                 {
1605                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1606                         return ERROR_OK;
1607                 }
1608         }
1609
1610         /* display a register */
1611         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1612         {
1613                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1614                         reg->valid = 0;
1615
1616                 if (reg->valid == 0)
1617                 {
1618                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1619                         arch_type->get(reg);
1620                 }
1621                 value = buf_to_str(reg->value, reg->size, 16);
1622                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1623                 free(value);
1624                 return ERROR_OK;
1625         }
1626
1627         /* set register value */
1628         if (argc == 2)
1629         {
1630                 u8 *buf = malloc(CEIL(reg->size, 8));
1631                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1632
1633                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1634                 arch_type->set(reg, buf);
1635
1636                 value = buf_to_str(reg->value, reg->size, 16);
1637                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1638                 free(value);
1639
1640                 free(buf);
1641
1642                 return ERROR_OK;
1643         }
1644
1645         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1646
1647         return ERROR_OK;
1648 }
1649
1650 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1651 {
1652         int retval = ERROR_OK;
1653         target_t *target = get_current_target(cmd_ctx);
1654
1655         if (argc == 0)
1656         {
1657                 if((retval = target_poll(target)) != ERROR_OK)
1658                         return retval;
1659                 if((retval = target_arch_state(target)) != ERROR_OK)
1660                         return retval;
1661
1662         }
1663         else if (argc==1)
1664         {
1665                 if (strcmp(args[0], "on") == 0)
1666                 {
1667                         target_continous_poll = 1;
1668                 }
1669                 else if (strcmp(args[0], "off") == 0)
1670                 {
1671                         target_continous_poll = 0;
1672                 }
1673                 else
1674                 {
1675                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1676                 }
1677         } else
1678         {
1679                 return ERROR_COMMAND_SYNTAX_ERROR;
1680         }
1681
1682         return retval;
1683 }
1684
1685 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1686 {
1687         int ms = 5000;
1688
1689         if (argc > 0)
1690         {
1691                 char *end;
1692
1693                 ms = strtoul(args[0], &end, 0) * 1000;
1694                 if (*end)
1695                 {
1696                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1697                         return ERROR_OK;
1698                 }
1699         }
1700         target_t *target = get_current_target(cmd_ctx);
1701
1702         return target_wait_state(target, TARGET_HALTED, ms);
1703 }
1704
1705 /* wait for target state to change. The trick here is to have a low
1706  * latency for short waits and not to suck up all the CPU time
1707  * on longer waits.
1708  *
1709  * After 500ms, keep_alive() is invoked
1710  */
1711 int target_wait_state(target_t *target, enum target_state state, int ms)
1712 {
1713         int retval;
1714         long long then=0, cur;
1715         int once=1;
1716
1717         for (;;)
1718         {
1719                 if ((retval=target_poll(target))!=ERROR_OK)
1720                         return retval;
1721                 if (target->state == state)
1722                 {
1723                         break;
1724                 }
1725                 cur = timeval_ms();
1726                 if (once)
1727                 {
1728                         once=0;
1729                         then = timeval_ms();
1730                         LOG_DEBUG("waiting for target %s...",
1731                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1732                 }
1733
1734                 if (cur-then>500)
1735                 {
1736                         keep_alive();
1737                 }
1738
1739                 if ((cur-then)>ms)
1740                 {
1741                         LOG_ERROR("timed out while waiting for target %s",
1742                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1743                         return ERROR_FAIL;
1744                 }
1745         }
1746
1747         return ERROR_OK;
1748 }
1749
1750 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1751 {
1752         int retval;
1753         target_t *target = get_current_target(cmd_ctx);
1754
1755         LOG_DEBUG("-");
1756
1757         if ((retval = target_halt(target)) != ERROR_OK)
1758         {
1759                 return retval;
1760         }
1761
1762         if (argc == 1)
1763         {
1764                 int wait;
1765                 char *end;
1766
1767                 wait = strtoul(args[0], &end, 0);
1768                 if (!*end && !wait)
1769                         return ERROR_OK;
1770         }
1771
1772         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1773 }
1774
1775 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1776 {
1777         target_t *target = get_current_target(cmd_ctx);
1778
1779         LOG_USER("requesting target halt and executing a soft reset");
1780
1781         target->type->soft_reset_halt(target);
1782
1783         return ERROR_OK;
1784 }
1785
1786 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1787 {
1788         const Jim_Nvp *n;
1789         enum target_reset_mode reset_mode = RESET_RUN;
1790
1791         if (argc >= 1)
1792         {
1793                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1794                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1795                         return ERROR_COMMAND_SYNTAX_ERROR;
1796                 }
1797                 reset_mode = n->value;
1798         }
1799
1800         /* reset *all* targets */
1801         return target_process_reset(cmd_ctx, reset_mode);
1802 }
1803
1804
1805 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1806 {
1807         int retval;
1808         target_t *target = get_current_target(cmd_ctx);
1809
1810         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1811
1812         if (argc == 0)
1813                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1814         else if (argc == 1)
1815                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1816         else
1817         {
1818                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1819         }
1820
1821         return retval;
1822 }
1823
1824 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1825 {
1826         target_t *target = get_current_target(cmd_ctx);
1827
1828         LOG_DEBUG("-");
1829
1830         if (argc == 0)
1831                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1832
1833         if (argc == 1)
1834                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1835
1836         return ERROR_OK;
1837 }
1838
1839 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1840 {
1841         const int line_bytecnt = 32;
1842         int count = 1;
1843         int size = 4;
1844         u32 address = 0;
1845         int line_modulo;
1846         int i;
1847
1848         char output[128];
1849         int output_len;
1850
1851         int retval;
1852
1853         u8 *buffer;
1854         target_t *target = get_current_target(cmd_ctx);
1855
1856         if (argc < 1)
1857                 return ERROR_OK;
1858
1859         if (argc == 2)
1860                 count = strtoul(args[1], NULL, 0);
1861
1862         address = strtoul(args[0], NULL, 0);
1863
1864         switch (cmd[2])
1865         {
1866                 case 'w':
1867                         size = 4; line_modulo = line_bytecnt / 4;
1868                         break;
1869                 case 'h':
1870                         size = 2; line_modulo = line_bytecnt / 2;
1871                         break;
1872                 case 'b':
1873                         size = 1; line_modulo = line_bytecnt / 1;
1874                         break;
1875                 default:
1876                         return ERROR_OK;
1877         }
1878
1879         buffer = calloc(count, size);
1880         retval  = target->type->read_memory(target, address, size, count, buffer);
1881         if (retval == ERROR_OK)
1882         {
1883                 output_len = 0;
1884
1885                 for (i = 0; i < count; i++)
1886                 {
1887                         if (i%line_modulo == 0)
1888                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1889
1890                         switch (size)
1891                         {
1892                                 case 4:
1893                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1894                                         break;
1895                                 case 2:
1896                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1897                                         break;
1898                                 case 1:
1899                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1900                                         break;
1901                         }
1902
1903                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1904                         {
1905                                 command_print(cmd_ctx, output);
1906                                 output_len = 0;
1907                         }
1908                 }
1909         }
1910
1911         free(buffer);
1912
1913         return retval;
1914 }
1915
1916 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1917 {
1918         u32 address = 0;
1919         u32 value = 0;
1920         int count = 1;
1921         int i;
1922         int wordsize;
1923         target_t *target = get_current_target(cmd_ctx);
1924         u8 value_buf[4];
1925
1926          if ((argc < 2) || (argc > 3))
1927                 return ERROR_COMMAND_SYNTAX_ERROR;
1928
1929         address = strtoul(args[0], NULL, 0);
1930         value = strtoul(args[1], NULL, 0);
1931         if (argc == 3)
1932                 count = strtoul(args[2], NULL, 0);
1933
1934         switch (cmd[2])
1935         {
1936                 case 'w':
1937                         wordsize = 4;
1938                         target_buffer_set_u32(target, value_buf, value);
1939                         break;
1940                 case 'h':
1941                         wordsize = 2;
1942                         target_buffer_set_u16(target, value_buf, value);
1943                         break;
1944                 case 'b':
1945                         wordsize = 1;
1946                         value_buf[0] = value;
1947                         break;
1948                 default:
1949                         return ERROR_COMMAND_SYNTAX_ERROR;
1950         }
1951         for (i=0; i<count; i++)
1952         {
1953                 int retval;
1954                 switch (wordsize)
1955                 {
1956                         case 4:
1957                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1958                                 break;
1959                         case 2:
1960                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1961                                 break;
1962                         case 1:
1963                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1964                         break;
1965                         default:
1966                         return ERROR_OK;
1967                 }
1968                 keep_alive();
1969
1970                 if (retval!=ERROR_OK)
1971                 {
1972                         return retval;
1973                 }
1974         }
1975
1976         return ERROR_OK;
1977
1978 }
1979
1980 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1981 {
1982         u8 *buffer;
1983         u32 buf_cnt;
1984         u32 image_size;
1985         u32 min_address=0;
1986         u32 max_address=0xffffffff;
1987         int i;
1988         int retval, retvaltemp;
1989
1990         image_t image;
1991
1992         duration_t duration;
1993         char *duration_text;
1994
1995         target_t *target = get_current_target(cmd_ctx);
1996
1997         if ((argc < 1)||(argc > 5))
1998         {
1999                 return ERROR_COMMAND_SYNTAX_ERROR;
2000         }
2001
2002         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2003         if (argc >= 2)
2004         {
2005                 image.base_address_set = 1;
2006                 image.base_address = strtoul(args[1], NULL, 0);
2007         }
2008         else
2009         {
2010                 image.base_address_set = 0;
2011         }
2012
2013
2014         image.start_address_set = 0;
2015
2016         if (argc>=4)
2017         {
2018                 min_address=strtoul(args[3], NULL, 0);
2019         }
2020         if (argc>=5)
2021         {
2022                 max_address=strtoul(args[4], NULL, 0)+min_address;
2023         }
2024
2025         if (min_address>max_address)
2026         {
2027                 return ERROR_COMMAND_SYNTAX_ERROR;
2028         }
2029
2030         duration_start_measure(&duration);
2031
2032         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2033         {
2034                 return ERROR_OK;
2035         }
2036
2037         image_size = 0x0;
2038         retval = ERROR_OK;
2039         for (i = 0; i < image.num_sections; i++)
2040         {
2041                 buffer = malloc(image.sections[i].size);
2042                 if (buffer == NULL)
2043                 {
2044                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2045                         break;
2046                 }
2047
2048                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2049                 {
2050                         free(buffer);
2051                         break;
2052                 }
2053
2054                 u32 offset=0;
2055                 u32 length=buf_cnt;
2056
2057                 /* DANGER!!! beware of unsigned comparision here!!! */
2058
2059                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2060                                 (image.sections[i].base_address<max_address))
2061                 {
2062                         if (image.sections[i].base_address<min_address)
2063                         {
2064                                 /* clip addresses below */
2065                                 offset+=min_address-image.sections[i].base_address;
2066                                 length-=offset;
2067                         }
2068
2069                         if (image.sections[i].base_address+buf_cnt>max_address)
2070                         {
2071                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2072                         }
2073
2074                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2075                         {
2076                                 free(buffer);
2077                                 break;
2078                         }
2079                         image_size += length;
2080                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2081                 }
2082
2083                 free(buffer);
2084         }
2085
2086         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2087         {
2088                 image_close(&image);
2089                 return retvaltemp;
2090         }
2091
2092         if (retval==ERROR_OK)
2093         {
2094                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2095         }
2096         free(duration_text);
2097
2098         image_close(&image);
2099
2100         return retval;
2101
2102 }
2103
2104 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2105 {
2106         fileio_t fileio;
2107
2108         u32 address;
2109         u32 size;
2110         u8 buffer[560];
2111         int retval=ERROR_OK, retvaltemp;
2112
2113         duration_t duration;
2114         char *duration_text;
2115
2116         target_t *target = get_current_target(cmd_ctx);
2117
2118         if (argc != 3)
2119         {
2120                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2121                 return ERROR_OK;
2122         }
2123
2124         address = strtoul(args[1], NULL, 0);
2125         size = strtoul(args[2], NULL, 0);
2126
2127         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2128         {
2129                 return ERROR_OK;
2130         }
2131
2132         duration_start_measure(&duration);
2133
2134         while (size > 0)
2135         {
2136                 u32 size_written;
2137                 u32 this_run_size = (size > 560) ? 560 : size;
2138
2139                 retval = target_read_buffer(target, address, this_run_size, buffer);
2140                 if (retval != ERROR_OK)
2141                 {
2142                         break;
2143                 }
2144
2145                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2146                 if (retval != ERROR_OK)
2147                 {
2148                         break;
2149                 }
2150
2151                 size -= this_run_size;
2152                 address += this_run_size;
2153         }
2154
2155         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2156                 return retvaltemp;
2157
2158         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2159                 return retvaltemp;
2160
2161         if (retval==ERROR_OK)
2162         {
2163                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2164                 free(duration_text);
2165         }
2166
2167         return retval;
2168 }
2169
2170 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2171 {
2172         u8 *buffer;
2173         u32 buf_cnt;
2174         u32 image_size;
2175         int i;
2176         int retval, retvaltemp;
2177         u32 checksum = 0;
2178         u32 mem_checksum = 0;
2179
2180         image_t image;
2181
2182         duration_t duration;
2183         char *duration_text;
2184
2185         target_t *target = get_current_target(cmd_ctx);
2186
2187         if (argc < 1)
2188         {
2189                 return ERROR_COMMAND_SYNTAX_ERROR;
2190         }
2191
2192         if (!target)
2193         {
2194                 LOG_ERROR("no target selected");
2195                 return ERROR_FAIL;
2196         }
2197
2198         duration_start_measure(&duration);
2199
2200         if (argc >= 2)
2201         {
2202                 image.base_address_set = 1;
2203                 image.base_address = strtoul(args[1], NULL, 0);
2204         }
2205         else
2206         {
2207                 image.base_address_set = 0;
2208                 image.base_address = 0x0;
2209         }
2210
2211         image.start_address_set = 0;
2212
2213         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2214         {
2215                 return retval;
2216         }
2217
2218         image_size = 0x0;
2219         retval=ERROR_OK;
2220         for (i = 0; i < image.num_sections; i++)
2221         {
2222                 buffer = malloc(image.sections[i].size);
2223                 if (buffer == NULL)
2224                 {
2225                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2226                         break;
2227                 }
2228                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2229                 {
2230                         free(buffer);
2231                         break;
2232                 }
2233
2234                 if (verify)
2235                 {
2236                         /* calculate checksum of image */
2237                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2238
2239                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2240                         if( retval != ERROR_OK )
2241                         {
2242                                 free(buffer);
2243                                 break;
2244                         }
2245
2246                         if( checksum != mem_checksum )
2247                         {
2248                                 /* failed crc checksum, fall back to a binary compare */
2249                                 u8 *data;
2250
2251                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2252
2253                                 data = (u8*)malloc(buf_cnt);
2254
2255                                 /* Can we use 32bit word accesses? */
2256                                 int size = 1;
2257                                 int count = buf_cnt;
2258                                 if ((count % 4) == 0)
2259                                 {
2260                                         size *= 4;
2261                                         count /= 4;
2262                                 }
2263                                 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2264                                 if (retval == ERROR_OK)
2265                                 {
2266                                         u32 t;
2267                                         for (t = 0; t < buf_cnt; t++)
2268                                         {
2269                                                 if (data[t] != buffer[t])
2270                                                 {
2271                                                         command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2272                                                         free(data);
2273                                                         free(buffer);
2274                                                         retval=ERROR_FAIL;
2275                                                         goto done;
2276                                                 }
2277                                                 if ((t%16384)==0)
2278                                                 {
2279                                                         keep_alive();
2280                                                 }
2281                                         }
2282                                 }
2283
2284                                 free(data);
2285                         }
2286                 } else
2287                 {
2288                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2289                 }
2290
2291                 free(buffer);
2292                 image_size += buf_cnt;
2293         }
2294 done:
2295
2296         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2297         {
2298                 image_close(&image);
2299                 return retvaltemp;
2300         }
2301
2302         if (retval==ERROR_OK)
2303         {
2304                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2305         }
2306         free(duration_text);
2307
2308         image_close(&image);
2309
2310         return retval;
2311 }
2312
2313 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2314 {
2315         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2316 }
2317
2318 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2319 {
2320         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2321 }
2322
2323 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2324 {
2325         int retval;
2326         target_t *target = get_current_target(cmd_ctx);
2327
2328         if (argc == 0)
2329         {
2330                 breakpoint_t *breakpoint = target->breakpoints;
2331
2332                 while (breakpoint)
2333                 {
2334                         if (breakpoint->type == BKPT_SOFT)
2335                         {
2336                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2337                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2338                                 free(buf);
2339                         }
2340                         else
2341                         {
2342                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2343                         }
2344                         breakpoint = breakpoint->next;
2345                 }
2346         }
2347         else if (argc >= 2)
2348         {
2349                 int hw = BKPT_SOFT;
2350                 u32 length = 0;
2351
2352                 length = strtoul(args[1], NULL, 0);
2353
2354                 if (argc >= 3)
2355                         if (strcmp(args[2], "hw") == 0)
2356                                 hw = BKPT_HARD;
2357
2358                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2359                 {
2360                         LOG_ERROR("Failure setting breakpoints");
2361                 }
2362                 else
2363                 {
2364                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2365                 }
2366         }
2367         else
2368         {
2369                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2370         }
2371
2372         return ERROR_OK;
2373 }
2374
2375 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2376 {
2377         target_t *target = get_current_target(cmd_ctx);
2378
2379         if (argc > 0)
2380                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2381
2382         return ERROR_OK;
2383 }
2384
2385 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2386 {
2387         target_t *target = get_current_target(cmd_ctx);
2388         int retval;
2389
2390         if (argc == 0)
2391         {
2392                 watchpoint_t *watchpoint = target->watchpoints;
2393
2394                 while (watchpoint)
2395                 {
2396                         command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2397                         watchpoint = watchpoint->next;
2398                 }
2399         }
2400         else if (argc >= 2)
2401         {
2402                 enum watchpoint_rw type = WPT_ACCESS;
2403                 u32 data_value = 0x0;
2404                 u32 data_mask = 0xffffffff;
2405
2406                 if (argc >= 3)
2407                 {
2408                         switch(args[2][0])
2409                         {
2410                                 case 'r':
2411                                         type = WPT_READ;
2412                                         break;
2413                                 case 'w':
2414                                         type = WPT_WRITE;
2415                                         break;
2416                                 case 'a':
2417                                         type = WPT_ACCESS;
2418                                         break;
2419                                 default:
2420                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2421                                         return ERROR_OK;
2422                         }
2423                 }
2424                 if (argc >= 4)
2425                 {
2426                         data_value = strtoul(args[3], NULL, 0);
2427                 }
2428                 if (argc >= 5)
2429                 {
2430                         data_mask = strtoul(args[4], NULL, 0);
2431                 }
2432
2433                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2434                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2435                 {
2436                         LOG_ERROR("Failure setting breakpoints");
2437                 }
2438         }
2439         else
2440         {
2441                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2442         }
2443
2444         return ERROR_OK;
2445 }
2446
2447 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2448 {
2449         target_t *target = get_current_target(cmd_ctx);
2450
2451         if (argc > 0)
2452                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2453
2454         return ERROR_OK;
2455 }
2456
2457 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2458 {
2459         int retval;
2460         target_t *target = get_current_target(cmd_ctx);
2461         u32 va;
2462         u32 pa;
2463
2464         if (argc != 1)
2465         {
2466                 return ERROR_COMMAND_SYNTAX_ERROR;
2467         }
2468         va = strtoul(args[0], NULL, 0);
2469
2470         retval = target->type->virt2phys(target, va, &pa);
2471         if (retval == ERROR_OK)
2472         {
2473                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2474         }
2475         else
2476         {
2477                 /* lower levels will have logged a detailed error which is
2478                  * forwarded to telnet/GDB session.
2479                  */
2480         }
2481         return retval;
2482 }
2483
2484 static void writeData(FILE *f, const void *data, size_t len)
2485 {
2486         size_t written = fwrite(data, len, 1, f);
2487         if (written != len)
2488                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2489 }
2490
2491 static void writeLong(FILE *f, int l)
2492 {
2493         int i;
2494         for (i=0; i<4; i++)
2495         {
2496                 char c=(l>>(i*8))&0xff;
2497                 writeData(f, &c, 1);
2498         }
2499
2500 }
2501
2502 static void writeString(FILE *f, char *s)
2503 {
2504         writeData(f, s, strlen(s));
2505 }
2506
2507 /* Dump a gmon.out histogram file. */
2508 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2509 {
2510         u32 i;
2511         FILE *f=fopen(filename, "w");
2512         if (f==NULL)
2513                 return;
2514         writeString(f, "gmon");
2515         writeLong(f, 0x00000001); /* Version */
2516         writeLong(f, 0); /* padding */
2517         writeLong(f, 0); /* padding */
2518         writeLong(f, 0); /* padding */
2519
2520         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2521         writeData(f, &zero, 1);
2522
2523         /* figure out bucket size */
2524         u32 min=samples[0];
2525         u32 max=samples[0];
2526         for (i=0; i<sampleNum; i++)
2527         {
2528                 if (min>samples[i])
2529                 {
2530                         min=samples[i];
2531                 }
2532                 if (max<samples[i])
2533                 {
2534                         max=samples[i];
2535                 }
2536         }
2537
2538         int addressSpace=(max-min+1);
2539
2540         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2541         u32 length = addressSpace;
2542         if (length > maxBuckets)
2543         {
2544                 length=maxBuckets;
2545         }
2546         int *buckets=malloc(sizeof(int)*length);
2547         if (buckets==NULL)
2548         {
2549                 fclose(f);
2550                 return;
2551         }
2552         memset(buckets, 0, sizeof(int)*length);
2553         for (i=0; i<sampleNum;i++)
2554         {
2555                 u32 address=samples[i];
2556                 long long a=address-min;
2557                 long long b=length-1;
2558                 long long c=addressSpace-1;
2559                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2560                 buckets[index]++;
2561         }
2562
2563         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2564         writeLong(f, min);                      /* low_pc */
2565         writeLong(f, max);                      /* high_pc */
2566         writeLong(f, length);           /* # of samples */
2567         writeLong(f, 64000000);         /* 64MHz */
2568         writeString(f, "seconds");
2569         for (i=0; i<(15-strlen("seconds")); i++)
2570                 writeData(f, &zero, 1);
2571         writeString(f, "s");
2572
2573         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2574
2575         char *data=malloc(2*length);
2576         if (data!=NULL)
2577         {
2578                 for (i=0; i<length;i++)
2579                 {
2580                         int val;
2581                         val=buckets[i];
2582                         if (val>65535)
2583                         {
2584                                 val=65535;
2585                         }
2586                         data[i*2]=val&0xff;
2587                         data[i*2+1]=(val>>8)&0xff;
2588                 }
2589                 free(buckets);
2590                 writeData(f, data, length * 2);
2591                 free(data);
2592         } else
2593         {
2594                 free(buckets);
2595         }
2596
2597         fclose(f);
2598 }
2599
2600 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2601 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2602 {
2603         target_t *target = get_current_target(cmd_ctx);
2604         struct timeval timeout, now;
2605
2606         gettimeofday(&timeout, NULL);
2607         if (argc!=2)
2608         {
2609                 return ERROR_COMMAND_SYNTAX_ERROR;
2610         }
2611         char *end;
2612         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2613         if (*end)
2614         {
2615                 return ERROR_OK;
2616         }
2617
2618         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2619
2620         static const int maxSample=10000;
2621         u32 *samples=malloc(sizeof(u32)*maxSample);
2622         if (samples==NULL)
2623                 return ERROR_OK;
2624
2625         int numSamples=0;
2626         int retval=ERROR_OK;
2627         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2628         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2629
2630         for (;;)
2631         {
2632                 target_poll(target);
2633                 if (target->state == TARGET_HALTED)
2634                 {
2635                         u32 t=*((u32 *)reg->value);
2636                         samples[numSamples++]=t;
2637                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2638                         target_poll(target);
2639                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2640                 } else if (target->state == TARGET_RUNNING)
2641                 {
2642                         /* We want to quickly sample the PC. */
2643                         if((retval = target_halt(target)) != ERROR_OK)
2644                         {
2645                                 free(samples);
2646                                 return retval;
2647                         }
2648                 } else
2649                 {
2650                         command_print(cmd_ctx, "Target not halted or running");
2651                         retval=ERROR_OK;
2652                         break;
2653                 }
2654                 if (retval!=ERROR_OK)
2655                 {
2656                         break;
2657                 }
2658
2659                 gettimeofday(&now, NULL);
2660                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2661                 {
2662                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2663                         if((retval = target_poll(target)) != ERROR_OK)
2664                         {
2665                                 free(samples);
2666                                 return retval;
2667                         }
2668                         if (target->state == TARGET_HALTED)
2669                         {
2670                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2671                         }
2672                         if((retval = target_poll(target)) != ERROR_OK)
2673                         {
2674                                 free(samples);
2675                                 return retval;
2676                         }
2677                         writeGmon(samples, numSamples, args[1]);
2678                         command_print(cmd_ctx, "Wrote %s", args[1]);
2679                         break;
2680                 }
2681         }
2682         free(samples);
2683
2684         return ERROR_OK;
2685 }
2686
2687 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2688 {
2689         char *namebuf;
2690         Jim_Obj *nameObjPtr, *valObjPtr;
2691         int result;
2692
2693         namebuf = alloc_printf("%s(%d)", varname, idx);
2694         if (!namebuf)
2695                 return JIM_ERR;
2696
2697         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2698         valObjPtr = Jim_NewIntObj(interp, val);
2699         if (!nameObjPtr || !valObjPtr)
2700         {
2701                 free(namebuf);
2702                 return JIM_ERR;
2703         }
2704
2705         Jim_IncrRefCount(nameObjPtr);
2706         Jim_IncrRefCount(valObjPtr);
2707         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2708         Jim_DecrRefCount(interp, nameObjPtr);
2709         Jim_DecrRefCount(interp, valObjPtr);
2710         free(namebuf);
2711         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2712         return result;
2713 }
2714
2715 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2716 {
2717         command_context_t *context;
2718         target_t *target;
2719
2720         context = Jim_GetAssocData(interp, "context");
2721         if (context == NULL)
2722         {
2723                 LOG_ERROR("mem2array: no command context");
2724                 return JIM_ERR;
2725         }
2726         target = get_current_target(context);
2727         if (target == NULL)
2728         {
2729                 LOG_ERROR("mem2array: no current target");
2730                 return JIM_ERR;
2731         }
2732
2733         return  target_mem2array(interp, target, argc-1, argv+1);
2734 }
2735
2736 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2737 {
2738         long l;
2739         u32 width;
2740         int len;
2741         u32 addr;
2742         u32 count;
2743         u32 v;
2744         const char *varname;
2745         u8 buffer[4096];
2746         int  n, e, retval;
2747         u32 i;
2748
2749         /* argv[1] = name of array to receive the data
2750          * argv[2] = desired width
2751          * argv[3] = memory address
2752          * argv[4] = count of times to read
2753          */
2754         if (argc != 4) {
2755                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2756                 return JIM_ERR;
2757         }
2758         varname = Jim_GetString(argv[0], &len);
2759         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2760
2761         e = Jim_GetLong(interp, argv[1], &l);
2762         width = l;
2763         if (e != JIM_OK) {
2764                 return e;
2765         }
2766
2767         e = Jim_GetLong(interp, argv[2], &l);
2768         addr = l;
2769         if (e != JIM_OK) {
2770                 return e;
2771         }
2772         e = Jim_GetLong(interp, argv[3], &l);
2773         len = l;
2774         if (e != JIM_OK) {
2775                 return e;
2776         }
2777         switch (width) {
2778                 case 8:
2779                         width = 1;
2780                         break;
2781                 case 16:
2782                         width = 2;
2783                         break;
2784                 case 32:
2785                         width = 4;
2786                         break;
2787                 default:
2788                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2789                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2790                         return JIM_ERR;
2791         }
2792         if (len == 0) {
2793                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2794                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2795                 return JIM_ERR;
2796         }
2797         if ((addr + (len * width)) < addr) {
2798                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2799                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2800                 return JIM_ERR;
2801         }
2802         /* absurd transfer size? */
2803         if (len > 65536) {
2804                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2805                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2806                 return JIM_ERR;
2807         }
2808
2809         if ((width == 1) ||
2810                 ((width == 2) && ((addr & 1) == 0)) ||
2811                 ((width == 4) && ((addr & 3) == 0))) {
2812                 /* all is well */
2813         } else {
2814                 char buf[100];
2815                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2816                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2817                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2818                 return JIM_ERR;
2819         }
2820
2821         /* Transfer loop */
2822
2823         /* index counter */
2824         n = 0;
2825         /* assume ok */
2826         e = JIM_OK;
2827         while (len) {
2828                 /* Slurp... in buffer size chunks */
2829
2830                 count = len; /* in objects.. */
2831                 if (count > (sizeof(buffer)/width)) {
2832                         count = (sizeof(buffer)/width);
2833                 }
2834
2835                 retval = target->type->read_memory( target, addr, width, count, buffer );
2836                 if (retval != ERROR_OK) {
2837                         /* BOO !*/
2838                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2839                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2840                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2841                         e = JIM_ERR;
2842                         len = 0;
2843                 } else {
2844                         v = 0; /* shut up gcc */
2845                         for (i = 0 ;i < count ;i++, n++) {
2846                                 switch (width) {
2847                                         case 4:
2848                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2849                                                 break;
2850                                         case 2:
2851                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2852                                                 break;
2853                                         case 1:
2854                                                 v = buffer[i] & 0x0ff;
2855                                                 break;
2856                                 }
2857                                 new_int_array_element(interp, varname, n, v);
2858                         }
2859                         len -= count;
2860                 }
2861         }
2862
2863         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2864
2865         return JIM_OK;
2866 }
2867
2868 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2869 {
2870         char *namebuf;
2871         Jim_Obj *nameObjPtr, *valObjPtr;
2872         int result;
2873         long l;
2874
2875         namebuf = alloc_printf("%s(%d)", varname, idx);
2876         if (!namebuf)
2877                 return JIM_ERR;
2878
2879         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2880         if (!nameObjPtr)
2881         {
2882                 free(namebuf);
2883                 return JIM_ERR;
2884         }
2885
2886         Jim_IncrRefCount(nameObjPtr);
2887         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2888         Jim_DecrRefCount(interp, nameObjPtr);
2889         free(namebuf);
2890         if (valObjPtr == NULL)
2891                 return JIM_ERR;
2892
2893         result = Jim_GetLong(interp, valObjPtr, &l);
2894         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2895         *val = l;
2896         return result;
2897 }
2898
2899 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2900 {
2901         command_context_t *context;
2902         target_t *target;
2903
2904         context = Jim_GetAssocData(interp, "context");
2905         if (context == NULL){
2906                 LOG_ERROR("array2mem: no command context");
2907                 return JIM_ERR;
2908         }
2909         target = get_current_target(context);
2910         if (target == NULL){
2911                 LOG_ERROR("array2mem: no current target");
2912                 return JIM_ERR;
2913         }
2914
2915         return target_array2mem( interp,target, argc-1, argv+1 );
2916 }
2917
2918 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2919 {
2920         long l;
2921         u32 width;
2922         int len;
2923         u32 addr;
2924         u32 count;
2925         u32 v;
2926         const char *varname;
2927         u8 buffer[4096];
2928         int  n, e, retval;
2929         u32 i;
2930
2931         /* argv[1] = name of array to get the data
2932          * argv[2] = desired width
2933          * argv[3] = memory address
2934          * argv[4] = count to write
2935          */
2936         if (argc != 4) {
2937                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2938                 return JIM_ERR;
2939         }
2940         varname = Jim_GetString(argv[0], &len);
2941         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2942
2943         e = Jim_GetLong(interp, argv[1], &l);
2944         width = l;
2945         if (e != JIM_OK) {
2946                 return e;
2947         }
2948
2949         e = Jim_GetLong(interp, argv[2], &l);
2950         addr = l;
2951         if (e != JIM_OK) {
2952                 return e;
2953         }
2954         e = Jim_GetLong(interp, argv[3], &l);
2955         len = l;
2956         if (e != JIM_OK) {
2957                 return e;
2958         }
2959         switch (width) {
2960                 case 8:
2961                         width = 1;
2962                         break;
2963                 case 16:
2964                         width = 2;
2965                         break;
2966                 case 32:
2967                         width = 4;
2968                         break;
2969                 default:
2970                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2971                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2972                         return JIM_ERR;
2973         }
2974         if (len == 0) {
2975                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2976                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2977                 return JIM_ERR;
2978         }
2979         if ((addr + (len * width)) < addr) {
2980                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2981                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2982                 return JIM_ERR;
2983         }
2984         /* absurd transfer size? */
2985         if (len > 65536) {
2986                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2987                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2988                 return JIM_ERR;
2989         }
2990
2991         if ((width == 1) ||
2992                 ((width == 2) && ((addr & 1) == 0)) ||
2993                 ((width == 4) && ((addr & 3) == 0))) {
2994                 /* all is well */
2995         } else {
2996                 char buf[100];
2997                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2998                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2999                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3000                 return JIM_ERR;
3001         }
3002
3003         /* Transfer loop */
3004
3005         /* index counter */
3006         n = 0;
3007         /* assume ok */
3008         e = JIM_OK;
3009         while (len) {
3010                 /* Slurp... in buffer size chunks */
3011
3012                 count = len; /* in objects.. */
3013                 if (count > (sizeof(buffer)/width)) {
3014                         count = (sizeof(buffer)/width);
3015                 }
3016
3017                 v = 0; /* shut up gcc */
3018                 for (i = 0 ;i < count ;i++, n++) {
3019                         get_int_array_element(interp, varname, n, &v);
3020                         switch (width) {
3021                         case 4:
3022                                 target_buffer_set_u32(target, &buffer[i*width], v);
3023                                 break;
3024                         case 2:
3025                                 target_buffer_set_u16(target, &buffer[i*width], v);
3026                                 break;
3027                         case 1:
3028                                 buffer[i] = v & 0x0ff;
3029                                 break;
3030                         }
3031                 }
3032                 len -= count;
3033
3034                 retval = target->type->write_memory(target, addr, width, count, buffer);
3035                 if (retval != ERROR_OK) {
3036                         /* BOO !*/
3037                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3038                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3039                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3040                         e = JIM_ERR;
3041                         len = 0;
3042                 }
3043         }
3044
3045         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3046
3047         return JIM_OK;
3048 }
3049
3050 void target_all_handle_event( enum target_event e )
3051 {
3052         target_t *target;
3053
3054         LOG_DEBUG( "**all*targets: event: %d, %s",
3055                         e,
3056                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3057
3058         target = all_targets;
3059         while (target){
3060                 target_handle_event( target, e );
3061                 target = target->next;
3062         }
3063 }
3064
3065 void target_handle_event( target_t *target, enum target_event e )
3066 {
3067         target_event_action_t *teap;
3068         int done;
3069
3070         teap = target->event_action;
3071
3072         done = 0;
3073         while( teap ){
3074                 if( teap->event == e ){
3075                         done = 1;
3076                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3077                                            target->target_number,
3078                                            target->cmd_name,
3079                                            target->type->name,
3080                                            e,
3081                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3082                                            Jim_GetString( teap->body, NULL ) );
3083                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3084                         {
3085                                 Jim_PrintErrorMessage(interp);
3086                         }
3087                 }
3088                 teap = teap->next;
3089         }
3090         if( !done ){
3091                 LOG_DEBUG( "event: %d %s - no action",
3092                                    e,
3093                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3094         }
3095 }
3096
3097 enum target_cfg_param {
3098         TCFG_TYPE,
3099         TCFG_EVENT,
3100         TCFG_WORK_AREA_VIRT,
3101         TCFG_WORK_AREA_PHYS,
3102         TCFG_WORK_AREA_SIZE,
3103         TCFG_WORK_AREA_BACKUP,
3104         TCFG_ENDIAN,
3105         TCFG_VARIANT,
3106         TCFG_CHAIN_POSITION,
3107 };
3108
3109 static Jim_Nvp nvp_config_opts[] = {
3110         { .name = "-type",             .value = TCFG_TYPE },
3111         { .name = "-event",            .value = TCFG_EVENT },
3112         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3113         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3114         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3115         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3116         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3117         { .name = "-variant",          .value = TCFG_VARIANT },
3118         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3119
3120         { .name = NULL, .value = -1 }
3121 };
3122
3123 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3124 {
3125         Jim_Nvp *n;
3126         Jim_Obj *o;
3127         jim_wide w;
3128         char *cp;
3129         int e;
3130
3131         /* parse config or cget options ... */
3132         while( goi->argc > 0 ){
3133                 Jim_SetEmptyResult( goi->interp );
3134                 /* Jim_GetOpt_Debug( goi ); */
3135
3136                 if( target->type->target_jim_configure ){
3137                         /* target defines a configure function */
3138                         /* target gets first dibs on parameters */
3139                         e = (*(target->type->target_jim_configure))( target, goi );
3140                         if( e == JIM_OK ){
3141                                 /* more? */
3142                                 continue;
3143                         }
3144                         if( e == JIM_ERR ){
3145                                 /* An error */
3146                                 return e;
3147                         }
3148                         /* otherwise we 'continue' below */
3149                 }
3150                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3151                 if( e != JIM_OK ){
3152                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3153                         return e;
3154                 }
3155                 switch( n->value ){
3156                 case TCFG_TYPE:
3157                         /* not setable */
3158                         if( goi->isconfigure ){
3159                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3160                                 return JIM_ERR;
3161                         } else {
3162                         no_params:
3163                                 if( goi->argc != 0 ){
3164                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3165                                         return JIM_ERR;
3166                                 }
3167                         }
3168                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3169                         /* loop for more */
3170                         break;
3171                 case TCFG_EVENT:
3172                         if( goi->argc == 0 ){
3173                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3174                                 return JIM_ERR;
3175                         }
3176
3177                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3178                         if( e != JIM_OK ){
3179                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3180                                 return e;
3181                         }
3182
3183                         if( goi->isconfigure ){
3184                                 if( goi->argc != 1 ){
3185                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3186                                         return JIM_ERR;
3187                                 }
3188                         } else {
3189                                 if( goi->argc != 0 ){
3190                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3191                                         return JIM_ERR;
3192                                 }
3193                         }
3194
3195                         {
3196                                 target_event_action_t *teap;
3197
3198                                 teap = target->event_action;
3199                                 /* replace existing? */
3200                                 while( teap ){
3201                                         if( teap->event == (enum target_event)n->value ){
3202                                                 break;
3203                                         }
3204                                         teap = teap->next;
3205                                 }
3206
3207                                 if( goi->isconfigure ){
3208                                         if( teap == NULL ){
3209                                                 /* create new */
3210                                                 teap = calloc( 1, sizeof(*teap) );
3211                                         }
3212                                         teap->event = n->value;
3213                                         Jim_GetOpt_Obj( goi, &o );
3214                                         if( teap->body ){
3215                                                 Jim_DecrRefCount( interp, teap->body );
3216                                         }
3217                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3218                                         /*
3219                                          * FIXME:
3220                                          *     Tcl/TK - "tk events" have a nice feature.
3221                                          *     See the "BIND" command.
3222                                          *    We should support that here.
3223                                          *     You can specify %X and %Y in the event code.
3224                                          *     The idea is: %T - target name.
3225                                          *     The idea is: %N - target number
3226                                          *     The idea is: %E - event name.
3227                                          */
3228                                         Jim_IncrRefCount( teap->body );
3229
3230                                         /* add to head of event list */
3231                                         teap->next = target->event_action;
3232                                         target->event_action = teap;
3233                                         Jim_SetEmptyResult(goi->interp);
3234                                 } else {
3235                                         /* get */
3236                                         if( teap == NULL ){
3237                                                 Jim_SetEmptyResult( goi->interp );
3238                                         } else {
3239                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3240                                         }
3241                                 }
3242                         }
3243                         /* loop for more */
3244                         break;
3245
3246                 case TCFG_WORK_AREA_VIRT:
3247                         if( goi->isconfigure ){
3248                                 target_free_all_working_areas(target);
3249                                 e = Jim_GetOpt_Wide( goi, &w );
3250                                 if( e != JIM_OK ){
3251                                         return e;
3252                                 }
3253                                 target->working_area_virt = w;
3254                         } else {
3255                                 if( goi->argc != 0 ){
3256                                         goto no_params;
3257                                 }
3258                         }
3259                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3260                         /* loop for more */
3261                         break;
3262
3263                 case TCFG_WORK_AREA_PHYS:
3264                         if( goi->isconfigure ){
3265                                 target_free_all_working_areas(target);
3266                                 e = Jim_GetOpt_Wide( goi, &w );
3267                                 if( e != JIM_OK ){
3268                                         return e;
3269                                 }
3270                                 target->working_area_phys = w;
3271                         } else {
3272                                 if( goi->argc != 0 ){
3273                                         goto no_params;
3274                                 }
3275                         }
3276                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3277                         /* loop for more */
3278                         break;
3279
3280                 case TCFG_WORK_AREA_SIZE:
3281                         if( goi->isconfigure ){
3282                                 target_free_all_working_areas(target);
3283                                 e = Jim_GetOpt_Wide( goi, &w );
3284                                 if( e != JIM_OK ){
3285                                         return e;
3286                                 }
3287                                 target->working_area_size = w;
3288                         } else {
3289                                 if( goi->argc != 0 ){
3290                                         goto no_params;
3291                                 }
3292                         }
3293                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3294                         /* loop for more */
3295                         break;
3296
3297                 case TCFG_WORK_AREA_BACKUP:
3298                         if( goi->isconfigure ){
3299                                 target_free_all_working_areas(target);
3300                                 e = Jim_GetOpt_Wide( goi, &w );
3301                                 if( e != JIM_OK ){
3302                                         return e;
3303                                 }
3304                                 /* make this exactly 1 or 0 */
3305                                 target->backup_working_area = (!!w);
3306                         } else {
3307                                 if( goi->argc != 0 ){
3308                                         goto no_params;
3309                                 }
3310                         }
3311                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3312                         /* loop for more e*/
3313                         break;
3314
3315                 case TCFG_ENDIAN:
3316                         if( goi->isconfigure ){
3317                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3318                                 if( e != JIM_OK ){
3319                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3320                                         return e;
3321                                 }
3322                                 target->endianness = n->value;
3323                         } else {
3324                                 if( goi->argc != 0 ){
3325                                         goto no_params;
3326                                 }
3327                         }
3328                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3329                         if( n->name == NULL ){
3330                                 target->endianness = TARGET_LITTLE_ENDIAN;
3331                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3332                         }
3333                         Jim_SetResultString( goi->interp, n->name, -1 );
3334                         /* loop for more */
3335                         break;
3336
3337                 case TCFG_VARIANT:
3338                         if( goi->isconfigure ){
3339                                 if( goi->argc < 1 ){
3340                                         Jim_SetResult_sprintf( goi->interp,
3341                                                                                    "%s ?STRING?",
3342                                                                                    n->name );
3343                                         return JIM_ERR;
3344                                 }
3345                                 if( target->variant ){
3346                                         free((void *)(target->variant));
3347                                 }
3348                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3349                                 target->variant = strdup(cp);
3350                         } else {
3351                                 if( goi->argc != 0 ){
3352                                         goto no_params;
3353                                 }
3354                         }
3355                         Jim_SetResultString( goi->interp, target->variant,-1 );
3356                         /* loop for more */
3357                         break;
3358                 case TCFG_CHAIN_POSITION:
3359                         if( goi->isconfigure ){
3360                                 Jim_Obj *o;
3361                                 jtag_tap_t *tap;
3362                                 target_free_all_working_areas(target);
3363                                 e = Jim_GetOpt_Obj( goi, &o );
3364                                 if( e != JIM_OK ){
3365                                         return e;
3366                                 }
3367                                 tap = jtag_TapByJimObj( goi->interp, o );
3368                                 if( tap == NULL ){
3369                                         return JIM_ERR;
3370                                 }
3371                                 /* make this exactly 1 or 0 */
3372                                 target->tap = tap;
3373                         } else {
3374                                 if( goi->argc != 0 ){
3375                                         goto no_params;
3376                                 }
3377                         }
3378                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3379                         /* loop for more e*/
3380                         break;
3381                 }
3382         } /* while( goi->argc ) */
3383
3384
3385                 /* done - we return */
3386         return JIM_OK;
3387 }
3388
3389 /** this is the 'tcl' handler for the target specific command */
3390 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3391 {
3392         Jim_GetOptInfo goi;
3393         jim_wide a,b,c;
3394         int x,y,z;
3395         u8  target_buf[32];
3396         Jim_Nvp *n;
3397         target_t *target;
3398         struct command_context_s *cmd_ctx;
3399         int e;
3400
3401         enum {
3402                 TS_CMD_CONFIGURE,
3403                 TS_CMD_CGET,
3404
3405                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3406                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3407                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3408                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3409                 TS_CMD_EXAMINE,
3410                 TS_CMD_POLL,
3411                 TS_CMD_RESET,
3412                 TS_CMD_HALT,
3413                 TS_CMD_WAITSTATE,
3414                 TS_CMD_EVENTLIST,
3415                 TS_CMD_CURSTATE,
3416                 TS_CMD_INVOKE_EVENT,
3417         };
3418
3419         static const Jim_Nvp target_options[] = {
3420                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3421                 { .name = "cget", .value = TS_CMD_CGET },
3422                 { .name = "mww", .value = TS_CMD_MWW },
3423                 { .name = "mwh", .value = TS_CMD_MWH },
3424                 { .name = "mwb", .value = TS_CMD_MWB },
3425                 { .name = "mdw", .value = TS_CMD_MDW },
3426                 { .name = "mdh", .value = TS_CMD_MDH },
3427                 { .name = "mdb", .value = TS_CMD_MDB },
3428                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3429                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3430                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3431                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3432
3433                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3434                 { .name = "arp_poll", .value = TS_CMD_POLL },
3435                 { .name = "arp_reset", .value = TS_CMD_RESET },
3436                 { .name = "arp_halt", .value = TS_CMD_HALT },
3437                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3438                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3439
3440                 { .name = NULL, .value = -1 },
3441         };
3442
3443         /* go past the "command" */
3444         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3445
3446         target = Jim_CmdPrivData( goi.interp );
3447         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3448
3449         /* commands here are in an NVP table */
3450         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3451         if( e != JIM_OK ){
3452                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3453                 return e;
3454         }
3455         /* Assume blank result */
3456         Jim_SetEmptyResult( goi.interp );
3457
3458         switch( n->value ){
3459         case TS_CMD_CONFIGURE:
3460                 if( goi.argc < 2 ){
3461                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3462                         return JIM_ERR;
3463                 }
3464                 goi.isconfigure = 1;
3465                 return target_configure( &goi, target );
3466         case TS_CMD_CGET:
3467                 // some things take params
3468                 if( goi.argc < 1 ){
3469                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3470                         return JIM_ERR;
3471                 }
3472                 goi.isconfigure = 0;
3473                 return target_configure( &goi, target );
3474                 break;
3475         case TS_CMD_MWW:
3476         case TS_CMD_MWH:
3477         case TS_CMD_MWB:
3478                 /* argv[0] = cmd
3479                  * argv[1] = address
3480                  * argv[2] = data
3481                  * argv[3] = optional count.
3482                  */
3483
3484                 if( (goi.argc == 3) || (goi.argc == 4) ){
3485                         /* all is well */
3486                 } else {
3487                 mwx_error:
3488                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3489                         return JIM_ERR;
3490                 }
3491
3492                 e = Jim_GetOpt_Wide( &goi, &a );
3493                 if( e != JIM_OK ){
3494                         goto mwx_error;
3495                 }
3496
3497                 e = Jim_GetOpt_Wide( &goi, &b );
3498                 if( e != JIM_OK ){
3499                         goto mwx_error;
3500                 }
3501                 if( goi.argc ){
3502                         e = Jim_GetOpt_Wide( &goi, &c );
3503                         if( e != JIM_OK ){
3504                                 goto mwx_error;
3505                         }
3506                 } else {
3507                         c = 1;
3508                 }
3509
3510                 switch( n->value ){
3511                 case TS_CMD_MWW:
3512                         target_buffer_set_u32( target, target_buf, b );
3513                         b = 4;
3514                         break;
3515                 case TS_CMD_MWH:
3516                         target_buffer_set_u16( target, target_buf, b );
3517                         b = 2;
3518                         break;
3519                 case TS_CMD_MWB:
3520                         target_buffer_set_u8( target, target_buf, b );
3521                         b = 1;
3522                         break;
3523                 }
3524                 for( x = 0 ; x < c ; x++ ){
3525                         e = target->type->write_memory( target, a, b, 1, target_buf );
3526                         if( e != ERROR_OK ){
3527                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3528                                 return JIM_ERR;
3529                         }
3530                         /* b = width */
3531                         a = a + b;
3532                 }
3533                 return JIM_OK;
3534                 break;
3535
3536                 /* display */
3537         case TS_CMD_MDW:
3538         case TS_CMD_MDH:
3539         case TS_CMD_MDB:
3540                 /* argv[0] = command
3541                  * argv[1] = address
3542                  * argv[2] = optional count
3543                  */
3544                 if( (goi.argc == 2) || (goi.argc == 3) ){
3545                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3546                         return JIM_ERR;
3547                 }
3548                 e = Jim_GetOpt_Wide( &goi, &a );
3549                 if( e != JIM_OK ){
3550                         return JIM_ERR;
3551                 }
3552                 if( goi.argc ){
3553                         e = Jim_GetOpt_Wide( &goi, &c );
3554                         if( e != JIM_OK ){
3555                                 return JIM_ERR;
3556                         }
3557                 } else {
3558                         c = 1;
3559                 }
3560                 b = 1; /* shut up gcc */
3561                 switch( n->value ){
3562                 case TS_CMD_MDW:
3563                         b =  4;
3564                         break;
3565                 case TS_CMD_MDH:
3566                         b = 2;
3567                         break;
3568                 case TS_CMD_MDB:
3569                         b = 1;
3570                         break;
3571                 }
3572
3573                 /* convert to "bytes" */
3574                 c = c * b;
3575                 /* count is now in 'BYTES' */
3576                 while( c > 0 ){
3577                         y = c;
3578                         if( y > 16 ){
3579                                 y = 16;
3580                         }
3581                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3582                         if( e != ERROR_OK ){
3583                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3584                                 return JIM_ERR;
3585                         }
3586
3587                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3588                         switch( b ){
3589                         case 4:
3590                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3591                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3592                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3593                                 }
3594                                 for( ; (x < 16) ; x += 4 ){
3595                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3596                                 }
3597                                 break;
3598                         case 2:
3599                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3600                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3601                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3602                                 }
3603                                 for( ; (x < 16) ; x += 2 ){
3604                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3605                                 }
3606                                 break;
3607                         case 1:
3608                         default:
3609                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3610                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3611                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3612                                 }
3613                                 for( ; (x < 16) ; x += 1 ){
3614                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3615                                 }
3616                                 break;
3617                         }
3618                         /* ascii-ify the bytes */
3619                         for( x = 0 ; x < y ; x++ ){
3620                                 if( (target_buf[x] >= 0x20) &&
3621                                         (target_buf[x] <= 0x7e) ){
3622                                         /* good */
3623                                 } else {
3624                                         /* smack it */
3625                                         target_buf[x] = '.';
3626                                 }
3627                         }
3628                         /* space pad  */
3629                         while( x < 16 ){
3630                                 target_buf[x] = ' ';
3631                                 x++;
3632                         }
3633                         /* terminate */
3634                         target_buf[16] = 0;
3635                         /* print - with a newline */
3636                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3637                         /* NEXT... */
3638                         c -= 16;
3639                         a += 16;
3640                 }
3641                 return JIM_OK;
3642         case TS_CMD_MEM2ARRAY:
3643                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3644                 break;
3645         case TS_CMD_ARRAY2MEM:
3646                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3647                 break;
3648         case TS_CMD_EXAMINE:
3649                 if( goi.argc ){
3650                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3651                         return JIM_ERR;
3652                 }
3653                 e = target->type->examine( target );
3654                 if( e != ERROR_OK ){
3655                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3656                         return JIM_ERR;
3657                 }
3658                 return JIM_OK;
3659         case TS_CMD_POLL:
3660                 if( goi.argc ){
3661                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3662                         return JIM_ERR;
3663                 }
3664                 if( !(target->type->examined) ){
3665                         e = ERROR_TARGET_NOT_EXAMINED;
3666                 } else {
3667                         e = target->type->poll( target );
3668                 }
3669                 if( e != ERROR_OK ){
3670                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3671                         return JIM_ERR;
3672                 } else {
3673                         return JIM_OK;
3674                 }
3675                 break;
3676         case TS_CMD_RESET:
3677                 if( goi.argc != 2 ){
3678                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3679                         return JIM_ERR;
3680                 }
3681                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3682                 if( e != JIM_OK ){
3683                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3684                         return e;
3685                 }
3686                 /* the halt or not param */
3687                 e = Jim_GetOpt_Wide( &goi, &a);
3688                 if( e != JIM_OK ){
3689                         return e;
3690                 }
3691                 /* determine if we should halt or not. */
3692                 target->reset_halt = !!a;
3693                 /* When this happens - all workareas are invalid. */
3694                 target_free_all_working_areas_restore(target, 0);
3695
3696                 /* do the assert */
3697                 if( n->value == NVP_ASSERT ){
3698                         target->type->assert_reset( target );
3699                 } else {
3700                         target->type->deassert_reset( target );
3701                 }
3702                 return JIM_OK;
3703         case TS_CMD_HALT:
3704                 if( goi.argc ){
3705                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3706                         return JIM_ERR;
3707                 }
3708                 target->type->halt( target );
3709                 return JIM_OK;
3710         case TS_CMD_WAITSTATE:
3711                 /* params:  <name>  statename timeoutmsecs */
3712                 if( goi.argc != 2 ){
3713                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3714                         return JIM_ERR;
3715                 }
3716                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3717                 if( e != JIM_OK ){
3718                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3719                         return e;
3720                 }
3721                 e = Jim_GetOpt_Wide( &goi, &a );
3722                 if( e != JIM_OK ){
3723                         return e;
3724                 }
3725                 e = target_wait_state( target, n->value, a );
3726                 if( e != ERROR_OK ){
3727                         Jim_SetResult_sprintf( goi.interp,
3728                                                                    "target: %s wait %s fails (%d) %s",
3729                                                                    target->cmd_name,
3730                                                                    n->name,
3731                                                                    e, target_strerror_safe(e) );
3732                         return JIM_ERR;
3733                 } else {
3734                         return JIM_OK;
3735                 }
3736         case TS_CMD_EVENTLIST:
3737                 /* List for human, Events defined for this target.
3738                  * scripts/programs should use 'name cget -event NAME'
3739                  */
3740                 {
3741                         target_event_action_t *teap;
3742                         teap = target->event_action;
3743                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3744                                                    target->target_number,
3745                                                    target->cmd_name );
3746                         command_print( cmd_ctx, "%-25s | Body", "Event");
3747                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3748                         while( teap ){
3749                                 command_print( cmd_ctx,
3750                                                            "%-25s | %s",
3751                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3752                                                            Jim_GetString( teap->body, NULL ) );
3753                                 teap = teap->next;
3754                         }
3755                         command_print( cmd_ctx, "***END***");
3756                         return JIM_OK;
3757                 }
3758         case TS_CMD_CURSTATE:
3759                 if( goi.argc != 0 ){
3760                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3761                         return JIM_ERR;
3762                 }
3763                 Jim_SetResultString( goi.interp,
3764                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3765                 return JIM_OK;
3766         case TS_CMD_INVOKE_EVENT:
3767                 if( goi.argc != 1 ){
3768                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3769                         return JIM_ERR;
3770                 }
3771                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3772                 if( e != JIM_OK ){
3773                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3774                         return e;
3775                 }
3776                 target_handle_event( target, n->value );
3777                 return JIM_OK;
3778         }
3779         return JIM_ERR;
3780 }
3781
3782 static int target_create( Jim_GetOptInfo *goi )
3783 {
3784         Jim_Obj *new_cmd;
3785         Jim_Cmd *cmd;
3786         const char *cp;
3787         char *cp2;
3788         int e;
3789         int x;
3790         target_t *target;
3791         struct command_context_s *cmd_ctx;
3792
3793         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3794         if( goi->argc < 3 ){
3795                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3796                 return JIM_ERR;
3797         }
3798
3799         /* COMMAND */
3800         Jim_GetOpt_Obj( goi, &new_cmd );
3801         /* does this command exist? */
3802         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3803         if( cmd ){
3804                 cp = Jim_GetString( new_cmd, NULL );
3805                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3806                 return JIM_ERR;
3807         }
3808
3809         /* TYPE */
3810         e = Jim_GetOpt_String( goi, &cp2, NULL );
3811         cp = cp2;
3812         /* now does target type exist */
3813         for( x = 0 ; target_types[x] ; x++ ){
3814                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3815                         /* found */
3816                         break;
3817                 }
3818         }
3819         if( target_types[x] == NULL ){
3820                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3821                 for( x = 0 ; target_types[x] ; x++ ){
3822                         if( target_types[x+1] ){
3823                                 Jim_AppendStrings( goi->interp,
3824                                                                    Jim_GetResult(goi->interp),
3825                                                                    target_types[x]->name,
3826                                                                    ", ", NULL);
3827                         } else {
3828                                 Jim_AppendStrings( goi->interp,
3829                                                                    Jim_GetResult(goi->interp),
3830                                                                    " or ",
3831                                                                    target_types[x]->name,NULL );
3832                         }
3833                 }
3834                 return JIM_ERR;
3835         }
3836
3837         /* Create it */
3838         target = calloc(1,sizeof(target_t));
3839         /* set target number */
3840         target->target_number = new_target_number();
3841
3842         /* allocate memory for each unique target type */
3843         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3844
3845         memcpy( target->type, target_types[x], sizeof(target_type_t));
3846
3847         /* will be set by "-endian" */
3848         target->endianness = TARGET_ENDIAN_UNKNOWN;
3849
3850         target->working_area        = 0x0;
3851         target->working_area_size   = 0x0;
3852         target->working_areas       = NULL;
3853         target->backup_working_area = 0;
3854
3855         target->state               = TARGET_UNKNOWN;
3856         target->debug_reason        = DBG_REASON_UNDEFINED;
3857         target->reg_cache           = NULL;
3858         target->breakpoints         = NULL;
3859         target->watchpoints         = NULL;
3860         target->next                = NULL;
3861         target->arch_info           = NULL;
3862
3863         target->display             = 1;
3864
3865         /* initialize trace information */
3866         target->trace_info = malloc(sizeof(trace_t));
3867         target->trace_info->num_trace_points         = 0;
3868         target->trace_info->trace_points_size        = 0;
3869         target->trace_info->trace_points             = NULL;
3870         target->trace_info->trace_history_size       = 0;
3871         target->trace_info->trace_history            = NULL;
3872         target->trace_info->trace_history_pos        = 0;
3873         target->trace_info->trace_history_overflowed = 0;
3874
3875         target->dbgmsg          = NULL;
3876         target->dbg_msg_enabled = 0;
3877
3878         target->endianness = TARGET_ENDIAN_UNKNOWN;
3879
3880         /* Do the rest as "configure" options */
3881         goi->isconfigure = 1;
3882         e = target_configure( goi, target);
3883
3884         if (target->tap == NULL)
3885         {
3886                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3887                 e=JIM_ERR;
3888         }
3889
3890         if( e != JIM_OK ){
3891                 free( target->type );
3892                 free( target );
3893                 return e;
3894         }
3895
3896         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3897                 /* default endian to little if not specified */
3898                 target->endianness = TARGET_LITTLE_ENDIAN;
3899         }
3900
3901         /* incase variant is not set */
3902         if (!target->variant)
3903                 target->variant = strdup("");
3904
3905         /* create the target specific commands */
3906         if( target->type->register_commands ){
3907                 (*(target->type->register_commands))( cmd_ctx );
3908         }
3909         if( target->type->target_create ){
3910                 (*(target->type->target_create))( target, goi->interp );
3911         }
3912
3913         /* append to end of list */
3914         {
3915                 target_t **tpp;
3916                 tpp = &(all_targets);
3917                 while( *tpp ){
3918                         tpp = &( (*tpp)->next );
3919                 }
3920                 *tpp = target;
3921         }
3922
3923         cp = Jim_GetString( new_cmd, NULL );
3924         target->cmd_name = strdup(cp);
3925
3926         /* now - create the new target name command */
3927         e = Jim_CreateCommand( goi->interp,
3928                                                    /* name */
3929                                                    cp,
3930                                                    tcl_target_func, /* C function */
3931                                                    target, /* private data */
3932                                                    NULL ); /* no del proc */
3933
3934         return e;
3935 }
3936
3937 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3938 {
3939         int x,r,e;
3940         jim_wide w;
3941         struct command_context_s *cmd_ctx;
3942         target_t *target;
3943         Jim_GetOptInfo goi;
3944         enum tcmd {
3945                 /* TG = target generic */
3946                 TG_CMD_CREATE,
3947                 TG_CMD_TYPES,
3948                 TG_CMD_NAMES,
3949                 TG_CMD_CURRENT,
3950                 TG_CMD_NUMBER,
3951                 TG_CMD_COUNT,
3952         };
3953         const char *target_cmds[] = {
3954                 "create", "types", "names", "current", "number",
3955                 "count",
3956                 NULL /* terminate */
3957         };
3958
3959         LOG_DEBUG("Target command params:");
3960         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
3961
3962         cmd_ctx = Jim_GetAssocData( interp, "context" );
3963
3964         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3965
3966         if( goi.argc == 0 ){
3967                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3968                 return JIM_ERR;
3969         }
3970
3971         /* Jim_GetOpt_Debug( &goi ); */
3972         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3973         if( r != JIM_OK ){
3974                 return r;
3975         }
3976
3977         switch(x){
3978         default:
3979                 Jim_Panic(goi.interp,"Why am I here?");
3980                 return JIM_ERR;
3981         case TG_CMD_CURRENT:
3982                 if( goi.argc != 0 ){
3983                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3984                         return JIM_ERR;
3985                 }
3986                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3987                 return JIM_OK;
3988         case TG_CMD_TYPES:
3989                 if( goi.argc != 0 ){
3990                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3991                         return JIM_ERR;
3992                 }
3993                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3994                 for( x = 0 ; target_types[x] ; x++ ){
3995                         Jim_ListAppendElement( goi.interp,
3996                                                                    Jim_GetResult(goi.interp),
3997                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3998                 }
3999                 return JIM_OK;
4000         case TG_CMD_NAMES:
4001                 if( goi.argc != 0 ){
4002                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4003                         return JIM_ERR;
4004                 }
4005                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4006                 target = all_targets;
4007                 while( target ){
4008                         Jim_ListAppendElement( goi.interp,
4009                                                                    Jim_GetResult(goi.interp),
4010                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4011                         target = target->next;
4012                 }
4013                 return JIM_OK;
4014         case TG_CMD_CREATE:
4015                 if( goi.argc < 3 ){
4016                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4017                         return JIM_ERR;
4018                 }
4019                 return target_create( &goi );
4020                 break;
4021         case TG_CMD_NUMBER:
4022                 if( goi.argc != 1 ){
4023                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4024                         return JIM_ERR;
4025                 }
4026                 e = Jim_GetOpt_Wide( &goi, &w );
4027                 if( e != JIM_OK ){
4028                         return JIM_ERR;
4029                 }
4030                 {
4031                         target_t *t;
4032                         t = get_target_by_num(w);
4033                         if( t == NULL ){
4034                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4035                                 return JIM_ERR;
4036                         }
4037                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4038                         return JIM_OK;
4039                 }
4040         case TG_CMD_COUNT:
4041                 if( goi.argc != 0 ){
4042                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4043                         return JIM_ERR;
4044                 }
4045                 Jim_SetResult( goi.interp,
4046                                            Jim_NewIntObj( goi.interp, max_target_number()));
4047                 return JIM_OK;
4048         }
4049
4050         return JIM_ERR;
4051 }
4052
4053
4054 struct FastLoad
4055 {
4056         u32 address;
4057         u8 *data;
4058         int length;
4059
4060 };
4061
4062 static int fastload_num;
4063 static struct FastLoad *fastload;
4064
4065 static void free_fastload(void)
4066 {
4067         if (fastload!=NULL)
4068         {
4069                 int i;
4070                 for (i=0; i<fastload_num; i++)
4071                 {
4072                         if (fastload[i].data)
4073                                 free(fastload[i].data);
4074                 }
4075                 free(fastload);
4076                 fastload=NULL;
4077         }
4078 }
4079
4080
4081
4082
4083 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4084 {
4085         u8 *buffer;
4086         u32 buf_cnt;
4087         u32 image_size;
4088         u32 min_address=0;
4089         u32 max_address=0xffffffff;
4090         int i;
4091         int retval;
4092
4093         image_t image;
4094
4095         duration_t duration;
4096         char *duration_text;
4097
4098         if ((argc < 1)||(argc > 5))
4099         {
4100                 return ERROR_COMMAND_SYNTAX_ERROR;
4101         }
4102
4103         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4104         if (argc >= 2)
4105         {
4106                 image.base_address_set = 1;
4107                 image.base_address = strtoul(args[1], NULL, 0);
4108         }
4109         else
4110         {
4111                 image.base_address_set = 0;
4112         }
4113
4114
4115         image.start_address_set = 0;
4116
4117         if (argc>=4)
4118         {
4119                 min_address=strtoul(args[3], NULL, 0);
4120         }
4121         if (argc>=5)
4122         {
4123                 max_address=strtoul(args[4], NULL, 0)+min_address;
4124         }
4125
4126         if (min_address>max_address)
4127         {
4128                 return ERROR_COMMAND_SYNTAX_ERROR;
4129         }
4130
4131         duration_start_measure(&duration);
4132
4133         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4134         {
4135                 return ERROR_OK;
4136         }
4137
4138         image_size = 0x0;
4139         retval = ERROR_OK;
4140         fastload_num=image.num_sections;
4141         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4142         if (fastload==NULL)
4143         {
4144                 image_close(&image);
4145                 return ERROR_FAIL;
4146         }
4147         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4148         for (i = 0; i < image.num_sections; i++)
4149         {
4150                 buffer = malloc(image.sections[i].size);
4151                 if (buffer == NULL)
4152                 {
4153                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4154                         break;
4155                 }
4156
4157                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4158                 {
4159                         free(buffer);
4160                         break;
4161                 }
4162
4163                 u32 offset=0;
4164                 u32 length=buf_cnt;
4165
4166
4167                 /* DANGER!!! beware of unsigned comparision here!!! */
4168
4169                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4170                                 (image.sections[i].base_address<max_address))
4171                 {
4172                         if (image.sections[i].base_address<min_address)
4173                         {
4174                                 /* clip addresses below */
4175                                 offset+=min_address-image.sections[i].base_address;
4176                                 length-=offset;
4177                         }
4178
4179                         if (image.sections[i].base_address+buf_cnt>max_address)
4180                         {
4181                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4182                         }
4183
4184                         fastload[i].address=image.sections[i].base_address+offset;
4185                         fastload[i].data=malloc(length);
4186                         if (fastload[i].data==NULL)
4187                         {
4188                                 free(buffer);
4189                                 break;
4190                         }
4191                         memcpy(fastload[i].data, buffer+offset, length);
4192                         fastload[i].length=length;
4193
4194                         image_size += length;
4195                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4196                 }
4197
4198                 free(buffer);
4199         }
4200
4201         duration_stop_measure(&duration, &duration_text);
4202         if (retval==ERROR_OK)
4203         {
4204                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4205                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4206         }
4207         free(duration_text);
4208
4209         image_close(&image);
4210
4211         if (retval!=ERROR_OK)
4212         {
4213                 free_fastload();
4214         }
4215
4216         return retval;
4217 }
4218
4219 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4220 {
4221         if (argc>0)
4222                 return ERROR_COMMAND_SYNTAX_ERROR;
4223         if (fastload==NULL)
4224         {
4225                 LOG_ERROR("No image in memory");
4226                 return ERROR_FAIL;
4227         }
4228         int i;
4229         int ms=timeval_ms();
4230         int size=0;
4231         int retval=ERROR_OK;
4232         for (i=0; i<fastload_num;i++)
4233         {
4234                 target_t *target = get_current_target(cmd_ctx);
4235                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4236                 if (retval==ERROR_OK)
4237                 {
4238                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4239                 }
4240                 size+=fastload[i].length;
4241         }
4242         int after=timeval_ms();
4243         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4244         return retval;
4245 }